diff --git a/app/src/main/java/com/stevesoltys/seedvault/plugins/saf/DocumentsProviderStoragePlugin.kt b/app/src/main/java/com/stevesoltys/seedvault/plugins/saf/DocumentsProviderStoragePlugin.kt
index e1d88f54..691921d8 100644
--- a/app/src/main/java/com/stevesoltys/seedvault/plugins/saf/DocumentsProviderStoragePlugin.kt
+++ b/app/src/main/java/com/stevesoltys/seedvault/plugins/saf/DocumentsProviderStoragePlugin.kt
@@ -10,6 +10,7 @@ import com.stevesoltys.seedvault.plugins.EncryptedMetadata
 import com.stevesoltys.seedvault.plugins.StoragePlugin
 import com.stevesoltys.seedvault.plugins.chunkFolderRegex
 import com.stevesoltys.seedvault.plugins.tokenRegex
+import org.calyxos.backup.storage.plugin.PluginConstants.SNAPSHOT_EXT
 import java.io.FileNotFoundException
 import java.io.IOException
 import java.io.InputStream
@@ -149,5 +150,5 @@ private fun DocumentFile.getTokenOrNull(name: String?): Long? {
 private fun isUnexpectedFile(name: String): Boolean {
     return name != FILE_NO_MEDIA &&
         !chunkFolderRegex.matches(name) &&
-        !name.endsWith(".SeedSnap")
+        !name.endsWith(SNAPSHOT_EXT)
 }
diff --git a/app/src/main/java/com/stevesoltys/seedvault/plugins/webdav/WebDavStoragePlugin.kt b/app/src/main/java/com/stevesoltys/seedvault/plugins/webdav/WebDavStoragePlugin.kt
index 0d9986cd..f88e2d95 100644
--- a/app/src/main/java/com/stevesoltys/seedvault/plugins/webdav/WebDavStoragePlugin.kt
+++ b/app/src/main/java/com/stevesoltys/seedvault/plugins/webdav/WebDavStoragePlugin.kt
@@ -14,6 +14,7 @@ import com.stevesoltys.seedvault.plugins.saf.FILE_BACKUP_METADATA
 import com.stevesoltys.seedvault.plugins.saf.FILE_NO_MEDIA
 import com.stevesoltys.seedvault.plugins.tokenRegex
 import okhttp3.HttpUrl.Companion.toHttpUrl
+import org.calyxos.backup.storage.plugin.PluginConstants.SNAPSHOT_EXT
 import java.io.IOException
 import java.io.InputStream
 import java.io.OutputStream
@@ -191,7 +192,7 @@ internal class WebDavStoragePlugin(
     private fun isUnexpectedFile(name: String): Boolean {
         return name != FILE_NO_MEDIA &&
             !chunkFolderRegex.matches(name) &&
-            !name.endsWith(".SeedSnap")
+            !name.endsWith(SNAPSHOT_EXT)
     }
 
     override val providerPackageName: String = context.packageName // 100% built-in plugin
diff --git a/app/src/main/java/com/stevesoltys/seedvault/storage/WebDavStoragePlugin.kt b/app/src/main/java/com/stevesoltys/seedvault/storage/WebDavStoragePlugin.kt
index 09695860..b7bdcc05 100644
--- a/app/src/main/java/com/stevesoltys/seedvault/storage/WebDavStoragePlugin.kt
+++ b/app/src/main/java/com/stevesoltys/seedvault/storage/WebDavStoragePlugin.kt
@@ -14,6 +14,7 @@ import com.stevesoltys.seedvault.plugins.webdav.WebDavStorage
 import okhttp3.HttpUrl.Companion.toHttpUrl
 import org.calyxos.backup.storage.api.StoragePlugin
 import org.calyxos.backup.storage.api.StoredSnapshot
+import org.calyxos.backup.storage.plugin.PluginConstants.SNAPSHOT_EXT
 import org.calyxos.backup.storage.plugin.PluginConstants.chunkRegex
 import org.calyxos.backup.storage.plugin.PluginConstants.snapshotRegex
 import org.koin.core.time.measureDuration
@@ -136,13 +137,13 @@ internal class WebDavStoragePlugin(
 
     @Throws(IOException::class)
     override suspend fun getBackupSnapshotOutputStream(timestamp: Long): OutputStream {
-        val location = "$url/$folder/$timestamp.SeedSnap".toHttpUrl()
+        val location = "$url/$folder/$timestamp$SNAPSHOT_EXT".toHttpUrl()
         debugLog { "getBackupSnapshotOutputStream($location)" }
         return try {
             getOutputStream(location)
         } catch (e: Exception) {
             if (e is IOException) throw e
-            else throw IOException("Error getting OutputStream for $timestamp.SeedSnap: ", e)
+            else throw IOException("Error getting OutputStream for $timestamp$SNAPSHOT_EXT: ", e)
         }
     }
 
@@ -184,7 +185,7 @@ internal class WebDavStoragePlugin(
     @Throws(IOException::class)
     override suspend fun getBackupSnapshotInputStream(storedSnapshot: StoredSnapshot): InputStream {
         val timestamp = storedSnapshot.timestamp
-        val location = "$url/${storedSnapshot.userId}/$timestamp.SeedSnap".toHttpUrl()
+        val location = "$url/${storedSnapshot.userId}/$timestamp$SNAPSHOT_EXT".toHttpUrl()
         debugLog { "getBackupSnapshotInputStream($location)" }
         return try {
             getInputStream(location)
@@ -251,7 +252,7 @@ internal class WebDavStoragePlugin(
         val timestamp = storedSnapshot.timestamp
         Log.d(TAG, "Deleting snapshot $timestamp")
 
-        val location = "$url/${storedSnapshot.userId}/$timestamp.SeedSnap".toHttpUrl()
+        val location = "$url/${storedSnapshot.userId}/$timestamp$SNAPSHOT_EXT".toHttpUrl()
         val davCollection = DavCollection(okHttpClient, location)
 
         try {
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/plugin/PluginConstants.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/plugin/PluginConstants.kt
index 6ce71fb9..98db4974 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/plugin/PluginConstants.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/plugin/PluginConstants.kt
@@ -7,6 +7,7 @@ package org.calyxos.backup.storage.plugin
 
 public object PluginConstants {
 
+    public const val SNAPSHOT_EXT: String = ".SeedSnap"
     public val folderRegex: Regex = Regex("^[a-f0-9]{16}\\.sv$")
     public val chunkFolderRegex: Regex = Regex("[a-f0-9]{2}")
     public val chunkRegex: Regex = Regex("[a-f0-9]{64}")
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/plugin/saf/SafStoragePlugin.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/plugin/saf/SafStoragePlugin.kt
index 7b790578..1d152f01 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/plugin/saf/SafStoragePlugin.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/plugin/saf/SafStoragePlugin.kt
@@ -16,6 +16,7 @@ import org.calyxos.backup.storage.api.StoredSnapshot
 import org.calyxos.backup.storage.measure
 import org.calyxos.backup.storage.plugin.PluginConstants.CHUNK_FOLDER_COUNT
 import org.calyxos.backup.storage.plugin.PluginConstants.MIME_TYPE
+import org.calyxos.backup.storage.plugin.PluginConstants.SNAPSHOT_EXT
 import org.calyxos.backup.storage.plugin.PluginConstants.chunkFolderRegex
 import org.calyxos.backup.storage.plugin.PluginConstants.chunkRegex
 import org.calyxos.backup.storage.plugin.PluginConstants.folderRegex
@@ -72,7 +73,7 @@ public abstract class SafStoragePlugin(
         }
 
     private fun timestampToSnapshot(timestamp: Long): String {
-        return "$timestamp.SeedSnap"
+        return "$timestamp$SNAPSHOT_EXT"
     }
 
     override suspend fun init() {