diff --git a/services/companion/java/com/android/server/companion/CompanionDeviceManagerService.java b/services/companion/java/com/android/server/companion/CompanionDeviceManagerService.java
index d6759b3..29fc1674 100644
--- a/services/companion/java/com/android/server/companion/CompanionDeviceManagerService.java
+++ b/services/companion/java/com/android/server/companion/CompanionDeviceManagerService.java
@@ -372,7 +372,10 @@
 
             checkArgument(getCallingUserId() == userId,
                     "Must be called by either same user or system");
-            mAppOpsManager.checkPackage(Binder.getCallingUid(), pkg);
+            int callingUid = Binder.getCallingUid();
+            if (mAppOpsManager.checkPackage(callingUid, pkg) != AppOpsManager.MODE_ALLOWED) {
+                throw new SecurityException(pkg + " doesn't belong to uid " + callingUid);
+            }
         }
 
         @Override