diff --git a/services/core/java/com/android/server/StorageManagerService.java b/services/core/java/com/android/server/StorageManagerService.java
index fc355b7cce2f7..1fb29a6779836 100644
--- a/services/core/java/com/android/server/StorageManagerService.java
+++ b/services/core/java/com/android/server/StorageManagerService.java
@@ -3580,7 +3580,7 @@ class StorageManagerService extends IStorageManager.Stub
                 return Zygote.MOUNT_EXTERNAL_NONE;
             }
             if (mPmInternal.isInstantApp(packageName, UserHandle.getUserId(uid))) {
-                return Zygote.MOUNT_EXTERNAL_DEFAULT;
+                return Zygote.MOUNT_EXTERNAL_NONE;
             }
 
             // Determine if caller is holding runtime permission