diff --git a/app/src/common/shared/org/mozilla/vrbrowser/VRBrowserActivity.java b/app/src/common/shared/org/mozilla/vrbrowser/VRBrowserActivity.java
index 5e41646eb..d7fd9ad9a 100644
--- a/app/src/common/shared/org/mozilla/vrbrowser/VRBrowserActivity.java
+++ b/app/src/common/shared/org/mozilla/vrbrowser/VRBrowserActivity.java
@@ -978,12 +978,14 @@ public void requestPermission(String uri, @NonNull String permission, GeckoSessi
     }
 
     @Override
-    public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
+    public void onRequestPermissionsResult(int requestCode, @NonNull  String[] permissions, @NonNull int[] grantResults) {
         super.onRequestPermissionsResult(requestCode, permissions, grantResults);
 
-        for (PermissionListener listener : mPermissionListeners) {
-            listener.onRequestPermissionsResult(requestCode, permissions, grantResults);
-        }
+        runOnUiThread(() -> {
+            for (PermissionListener listener : mPermissionListeners) {
+                listener.onRequestPermissionsResult(requestCode, permissions, grantResults);
+            }
+        });
     }
 
     @Override