diff --git a/app/src/main/java/com/beemdevelopment/aegis/ui/ScannerActivity.java b/app/src/main/java/com/beemdevelopment/aegis/ui/ScannerActivity.java
index 39c268ba..018dbeef 100644
--- a/app/src/main/java/com/beemdevelopment/aegis/ui/ScannerActivity.java
+++ b/app/src/main/java/com/beemdevelopment/aegis/ui/ScannerActivity.java
@@ -89,7 +89,9 @@ public class ScannerActivity extends AegisActivity implements QrCodeAnalyzer.Lis
 
     @Override
     protected void onDestroy() {
-        _executor.shutdownNow();
+        if (_executor != null) {
+            _executor.shutdownNow();
+        }
         super.onDestroy();
     }