diff --git a/autoupdate_app_sources/autoupdate_app_sources.py b/autoupdate_app_sources/autoupdate_app_sources.py
index aa0c8f8..358aa55 100755
--- a/autoupdate_app_sources/autoupdate_app_sources.py
+++ b/autoupdate_app_sources/autoupdate_app_sources.py
@@ -461,7 +461,7 @@ class AppAutoUpdater:
         self, strategy: str, asset: Union[str, dict], infos: dict[str, Any]
     ) -> Optional[tuple[str, Union[str, dict[str, str]], str]]:
         autoupdate = infos.get("autoupdate")
-        upstream = autoupdate.get("upstream", self.main_upstream).strip("/")
+        upstream = autoupdate.get("upstream", self.main_upstream)
         version_re = autoupdate.get("version_regex", None)
         allow_prereleases = autoupdate.get("allow_prereleases", False)
         _, remote_type, revision_type = strategy.split("_")
diff --git a/autoupdate_app_sources/rest_api.py b/autoupdate_app_sources/rest_api.py
index 9c47ca0..2cedefd 100644
--- a/autoupdate_app_sources/rest_api.py
+++ b/autoupdate_app_sources/rest_api.py
@@ -15,7 +15,7 @@ class RefType(Enum):
 
 class GithubAPI:
     def __init__(self, upstream: str, auth: Optional[tuple[str, str]] = None):
-        self.upstream = upstream
+        self.upstream = upstream.strip("/")
         self.upstream_repo = upstream.replace("https://github.com/", "").strip("/")
         assert (
             len(self.upstream_repo.split("/")) == 2