diff --git a/app/src/main/java/org/fdroid/fdroid/AppDetails.java b/app/src/main/java/org/fdroid/fdroid/AppDetails.java
index 149065263..a431bd01b 100644
--- a/app/src/main/java/org/fdroid/fdroid/AppDetails.java
+++ b/app/src/main/java/org/fdroid/fdroid/AppDetails.java
@@ -439,7 +439,9 @@ public class AppDetails extends AppCompatActivity {
      */
     private void cleanUpFinishedDownload() {
         activeDownloadUrlString = null;
-        headerFragment.removeProgress();
+        if (headerFragment != null) {
+            headerFragment.removeProgress();
+        }
         unregisterDownloaderReceivers();
     }