diff --git a/core/java/android/os/GraphicsEnvironment.java b/core/java/android/os/GraphicsEnvironment.java
index 52ee04c169c10..54f80c613f0a5 100644
--- a/core/java/android/os/GraphicsEnvironment.java
+++ b/core/java/android/os/GraphicsEnvironment.java
@@ -267,6 +267,7 @@ public class GraphicsEnvironment {
         }
         if (appInfo == null) {
             Log.w(TAG, "Debug layer app '" + packageName + "' not installed");
+            return "";
         }
 
         final String abi = chooseAbi(appInfo);