diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/banglejs/AppsManagementActivity.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/banglejs/AppsManagementActivity.java
index a18b201f1..3470b7803 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/banglejs/AppsManagementActivity.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/banglejs/AppsManagementActivity.java
@@ -315,6 +315,10 @@ public class AppsManagementActivity extends AbstractGBActivity {
             fileChooserCallback = null;
         }
         if (requestCode == CREATE_FILE) { // showSaveFileDialog
+            if (resultCode == Activity.RESULT_CANCELED || intent == null || intent.getData() == null) {
+                return;
+            }
+
             OutputStream os = null;
             try {
                 os = getContentResolver().openOutputStream(intent.getData());