diff --git a/F-Droid/src/org/fdroid/fdroid/net/DownloaderFactory.java b/F-Droid/src/org/fdroid/fdroid/net/DownloaderFactory.java
index 5e9991c71..2ca730c25 100644
--- a/F-Droid/src/org/fdroid/fdroid/net/DownloaderFactory.java
+++ b/F-Droid/src/org/fdroid/fdroid/net/DownloaderFactory.java
@@ -108,6 +108,10 @@ public class DownloaderFactory {
             // We support onion addresses through our own downloader.
             return false;
         }
+        if (isBluetoothAddress(url)) {
+            // Completely differnet protocol not understood by the download manager.
+            return false;
+        }
         return hasDownloadManager(context);
     }