diff --git a/app/src/main/java/org/fdroid/fdroid/AppDetails.java b/app/src/main/java/org/fdroid/fdroid/AppDetails.java
index 073a86a14..c29e6ae36 100644
--- a/app/src/main/java/org/fdroid/fdroid/AppDetails.java
+++ b/app/src/main/java/org/fdroid/fdroid/AppDetails.java
@@ -466,6 +466,9 @@ public class AppDetails extends AppCompatActivity {
     }
 
     private void unregisterDownloaderReceivers() {
+        if (localBroadcastManager == null) {
+            return;
+        }
         localBroadcastManager.unregisterReceiver(startedReceiver);
         localBroadcastManager.unregisterReceiver(progressReceiver);
         localBroadcastManager.unregisterReceiver(completeReceiver);