diff --git a/services/companion/java/com/android/server/companion/CompanionDeviceManagerService.java b/services/companion/java/com/android/server/companion/CompanionDeviceManagerService.java
index 067becb..d7d4573 100644
--- a/services/companion/java/com/android/server/companion/CompanionDeviceManagerService.java
+++ b/services/companion/java/com/android/server/companion/CompanionDeviceManagerService.java
@@ -25,6 +25,7 @@
 
 import android.annotation.CheckResult;
 import android.annotation.Nullable;
+import android.app.AppOpsManager;
 import android.app.PendingIntent;
 import android.companion.AssociationRequest;
 import android.companion.CompanionDeviceManager;
@@ -297,7 +298,10 @@
 
             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