diff --git a/README.md b/README.md
index 2ce6cad4..4dd2ad78 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,8 @@ It uses the same internal APIs as `adb backup` which is deprecated and thus need
 
 ## Permissions
 * `android.permission.BACKUP` to back up application data.
-* `android.permission.MANAGE_DOCUMENTS` to retrieve the available storage roots. 
+* `android.permission.ACCESS_NETWORK_STATE` to check if there is internet access when network storage is used.
+* `android.permission.MANAGE_DOCUMENTS` to retrieve the available storage roots.
 * `android.permission.MANAGE_USB` to access the serial number of USB mass storage devices.
 * `android.permission.WRITE_SECURE_SETTINGS` to change system backup settings and enable call log backup.
 * `android.permission.QUERY_ALL_PACKAGES` to get information about all installed apps for backup.
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 2cb592db..71c760ca 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -9,6 +9,9 @@
         android:name="android.permission.BACKUP"
         tools:ignore="ProtectedPermissions" />
 
+    <!-- This is needed to check for internet access when backup is stored on network storage -->
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+
     <!-- This is needed to retrieve the available storage roots -->
     <uses-permission
         android:name="android.permission.MANAGE_DOCUMENTS"
diff --git a/app/src/main/java/com/stevesoltys/seedvault/settings/SettingsManager.kt b/app/src/main/java/com/stevesoltys/seedvault/settings/SettingsManager.kt
index 92c18321..33ed40b7 100644
--- a/app/src/main/java/com/stevesoltys/seedvault/settings/SettingsManager.kt
+++ b/app/src/main/java/com/stevesoltys/seedvault/settings/SettingsManager.kt
@@ -16,6 +16,7 @@ internal const val PREF_KEY_BACKUP_APK = "backup_apk"
 private const val PREF_KEY_STORAGE_URI = "storageUri"
 private const val PREF_KEY_STORAGE_NAME = "storageName"
 private const val PREF_KEY_STORAGE_IS_USB = "storageIsUsb"
+private const val PREF_KEY_STORAGE_REQUIRES_NETWORK = "storageRequiresNetwork"
 
 private const val PREF_KEY_FLASH_DRIVE_NAME = "flashDriveName"
 private const val PREF_KEY_FLASH_DRIVE_SERIAL_NUMBER = "flashSerialNumber"
@@ -63,6 +64,7 @@ class SettingsManager(context: Context) {
             .putString(PREF_KEY_STORAGE_URI, storage.uri.toString())
             .putString(PREF_KEY_STORAGE_NAME, storage.name)
             .putBoolean(PREF_KEY_STORAGE_IS_USB, storage.isUsb)
+            .putBoolean(PREF_KEY_STORAGE_REQUIRES_NETWORK, storage.requiresNetwork)
             .apply()
     }
 
@@ -72,7 +74,8 @@ class SettingsManager(context: Context) {
         val name = prefs.getString(PREF_KEY_STORAGE_NAME, null)
             ?: throw IllegalStateException("no storage name")
         val isUsb = prefs.getBoolean(PREF_KEY_STORAGE_IS_USB, false)
-        return Storage(uri, name, isUsb)
+        val requiresNetwork = prefs.getBoolean(PREF_KEY_STORAGE_REQUIRES_NETWORK, false)
+        return Storage(uri, name, isUsb, requiresNetwork)
     }
 
     fun setFlashDrive(usb: FlashDrive?) {
@@ -119,7 +122,8 @@ class SettingsManager(context: Context) {
 data class Storage(
     val uri: Uri,
     val name: String,
-    val isUsb: Boolean
+    val isUsb: Boolean,
+    val requiresNetwork: Boolean
 ) {
     fun getDocumentFile(context: Context) = DocumentFile.fromTreeUri(context, uri)
         ?: throw AssertionError("Should only happen on API < 21.")
diff --git a/app/src/main/java/com/stevesoltys/seedvault/transport/backup/BackupCoordinator.kt b/app/src/main/java/com/stevesoltys/seedvault/transport/backup/BackupCoordinator.kt
index 56155918..8670f8dd 100644
--- a/app/src/main/java/com/stevesoltys/seedvault/transport/backup/BackupCoordinator.kt
+++ b/app/src/main/java/com/stevesoltys/seedvault/transport/backup/BackupCoordinator.kt
@@ -14,6 +14,8 @@ import android.app.backup.RestoreSet
 import android.content.Context
 import android.content.pm.PackageInfo
 import android.content.pm.PackageManager.GET_SIGNING_CERTIFICATES
+import android.net.ConnectivityManager
+import android.net.NetworkCapabilities.NET_CAPABILITY_INTERNET
 import android.os.ParcelFileDescriptor
 import android.util.Log
 import androidx.annotation.VisibleForTesting
@@ -32,6 +34,7 @@ import com.stevesoltys.seedvault.settings.SettingsManager
 import com.stevesoltys.seedvault.ui.notification.BackupNotificationManager
 import java.io.IOException
 import java.util.concurrent.TimeUnit.DAYS
+import java.util.concurrent.TimeUnit.HOURS
 
 private val TAG = BackupCoordinator::class.java.simpleName
 
@@ -212,12 +215,11 @@ internal class BackupCoordinator(
     ): Int {
         cancelReason = UNKNOWN_ERROR
         val packageName = packageInfo.packageName
-        if (packageName == MAGIC_PACKAGE_MANAGER) {
-            // backups of package manager metadata do not respect backoff
-            // we need to reject them manually when now is not a good time for a backup
-            if (getBackupBackoff() != 0L) {
-                return TRANSPORT_PACKAGE_REJECTED
-            }
+        // K/V backups (typically starting with package manager metadata)
+        // are scheduled with JobInfo.Builder#setOverrideDeadline() and thus do not respect backoff.
+        // We need to reject them manually when now is not a good time for a backup.
+        if (packageName == MAGIC_PACKAGE_MANAGER && getBackupBackoff() != 0L) {
+            return TRANSPORT_PACKAGE_REJECTED
         }
         val result = kv.performBackup(packageInfo, data, flags)
         if (result == TRANSPORT_OK && packageName == MAGIC_PACKAGE_MANAGER) {
@@ -430,14 +432,23 @@ internal class BackupCoordinator(
 
     private fun getBackupBackoff(): Long {
         val noBackoff = 0L
-        val defaultBackoff = DAYS.toMillis(30)
+        val longBackoff = DAYS.toMillis(30)
 
         // back off if there's no storage set
-        val storage = settingsManager.getStorage() ?: return defaultBackoff
-        // don't back off if storage is not ejectable or available right now
-        return if (!storage.isUsb || storage.getDocumentFile(context).isDirectory) noBackoff
-        // otherwise back off
-        else defaultBackoff
+        val storage = settingsManager.getStorage() ?: return longBackoff
+
+        // back off if storage is removable and not available right now
+        return if (storage.isUsb && !storage.getDocumentFile(context).isDirectory) longBackoff
+        // back off if storage is on network, but we have no access
+        else if (storage.requiresNetwork && !hasInternet()) HOURS.toMillis(1)
+        // otherwise no back off
+        else noBackoff
+    }
+
+    private fun hasInternet(): Boolean {
+        val cm = context.getSystemService(ConnectivityManager::class.java)
+        val capabilities = cm.getNetworkCapabilities(cm.activeNetwork) ?: return false
+        return capabilities.hasCapability(NET_CAPABILITY_INTERNET)
     }
 
 }
diff --git a/app/src/main/java/com/stevesoltys/seedvault/ui/storage/StorageRootFetcher.kt b/app/src/main/java/com/stevesoltys/seedvault/ui/storage/StorageRootFetcher.kt
index c9815651..8e41cc88 100644
--- a/app/src/main/java/com/stevesoltys/seedvault/ui/storage/StorageRootFetcher.kt
+++ b/app/src/main/java/com/stevesoltys/seedvault/ui/storage/StorageRootFetcher.kt
@@ -22,6 +22,7 @@ import android.provider.DocumentsContract.Root.COLUMN_ICON
 import android.provider.DocumentsContract.Root.COLUMN_ROOT_ID
 import android.provider.DocumentsContract.Root.COLUMN_SUMMARY
 import android.provider.DocumentsContract.Root.COLUMN_TITLE
+import android.provider.DocumentsContract.Root.FLAG_LOCAL_ONLY
 import android.provider.DocumentsContract.Root.FLAG_REMOVABLE_USB
 import android.provider.DocumentsContract.Root.FLAG_SUPPORTS_CREATE
 import android.provider.DocumentsContract.Root.FLAG_SUPPORTS_IS_CHILD
@@ -50,6 +51,7 @@ data class StorageRoot(
     internal val summary: String?,
     internal val availableBytes: Long?,
     internal val isUsb: Boolean,
+    internal val requiresNetwork: Boolean,
     internal val enabled: Boolean = true,
     internal val overrideClickListener: (() -> Unit)? = null
 ) {
@@ -144,10 +146,11 @@ internal class StorageRootFetcher(private val context: Context, private val isRe
         if (!supportsCreate || !supportsIsChild) return null
         val rootId = cursor.getString(COLUMN_ROOT_ID)!!
         if (authority == AUTHORITY_STORAGE && rootId == ROOT_ID_HOME) return null
+        val documentId = cursor.getString(COLUMN_DOCUMENT_ID) ?: return null
         return StorageRoot(
             authority = authority,
             rootId = rootId,
-            documentId = cursor.getString(COLUMN_DOCUMENT_ID)!!,
+            documentId = documentId,
             icon = getIcon(context, authority, rootId, cursor.getInt(COLUMN_ICON)),
             title = cursor.getString(COLUMN_TITLE)!!,
             summary = cursor.getString(COLUMN_SUMMARY),
@@ -155,7 +158,8 @@ internal class StorageRootFetcher(private val context: Context, private val isRe
                 // AOSP 11 reports -1 instead of null
                 if (bytes == -1L) null else bytes
             },
-            isUsb = flags and FLAG_REMOVABLE_USB != 0
+            isUsb = flags and FLAG_REMOVABLE_USB != 0,
+            requiresNetwork = flags and FLAG_LOCAL_ONLY == 0 // not local only == requires network
         )
     }
 
@@ -175,6 +179,7 @@ internal class StorageRootFetcher(private val context: Context, private val isRe
             summary = context.getString(R.string.storage_fake_drive_summary),
             availableBytes = null,
             isUsb = true,
+            requiresNetwork = false,
             enabled = false
         )
         roots.add(root)
@@ -216,6 +221,7 @@ internal class StorageRootFetcher(private val context: Context, private val isRe
             summary = context.getString(summaryRes),
             availableBytes = null,
             isUsb = false,
+            requiresNetwork = true,
             enabled = !isInstalled || isRestore,
             overrideClickListener = {
                 if (isInstalled) context.startActivity(intent)
diff --git a/app/src/main/java/com/stevesoltys/seedvault/ui/storage/StorageViewModel.kt b/app/src/main/java/com/stevesoltys/seedvault/ui/storage/StorageViewModel.kt
index 72047d7c..e5e48b01 100644
--- a/app/src/main/java/com/stevesoltys/seedvault/ui/storage/StorageViewModel.kt
+++ b/app/src/main/java/com/stevesoltys/seedvault/ui/storage/StorageViewModel.kt
@@ -101,7 +101,7 @@ internal abstract class StorageViewModel(
         } else {
             root.title
         }
-        val storage = Storage(uri, name, root.isUsb)
+        val storage = Storage(uri, name, root.isUsb, root.requiresNetwork)
         settingsManager.setStorage(storage)
 
         if (storage.isUsb) {
diff --git a/app/src/test/java/com/stevesoltys/seedvault/transport/backup/BackupCoordinatorTest.kt b/app/src/test/java/com/stevesoltys/seedvault/transport/backup/BackupCoordinatorTest.kt
index 03967e66..f9d6a549 100644
--- a/app/src/test/java/com/stevesoltys/seedvault/transport/backup/BackupCoordinatorTest.kt
+++ b/app/src/test/java/com/stevesoltys/seedvault/transport/backup/BackupCoordinatorTest.kt
@@ -63,7 +63,7 @@ internal class BackupCoordinatorTest : BackupTest() {
     private val metadataOutputStream = mockk<OutputStream>()
     private val fileDescriptor: ParcelFileDescriptor = mockk()
     private val packageMetadata: PackageMetadata = mockk()
-    private val storage = Storage(Uri.EMPTY, getRandomString(), false)
+    private val storage = Storage(Uri.EMPTY, getRandomString(), false, false)
 
     @Test
     fun `starting a new restore set works as expected`() = runBlocking {