1 files changed, 3 insertions, 1 deletions
diff --git a/src/main/java/de/pixart/messenger/persistance/FileBackend.java b/src/main/java/de/pixart/messenger/persistance/FileBackend.java
index 92bb84e33..822fa6318 100644
--- a/src/main/java/de/pixart/messenger/persistance/FileBackend.java
+++ b/src/main/java/de/pixart/messenger/persistance/FileBackend.java
@@ -1092,7 +1092,9 @@ public class FileBackend {
                 bitmap = withGifOverlay;
             }
         }
-        cache.put(key, bitmap);
+        if (bitmap != null) {
+            cache.put(key, bitmap);
+        }
         return bitmap;
     }