diff --git a/core/java/android/os/GraphicsEnvironment.java b/core/java/android/os/GraphicsEnvironment.java
index df58a6c636f5a..ae577ba0a25e6 100644
--- a/core/java/android/os/GraphicsEnvironment.java
+++ b/core/java/android/os/GraphicsEnvironment.java
@@ -248,6 +248,7 @@ public class GraphicsEnvironment {
         }
         if (appInfo == null) {
             Log.w(TAG, "Debug layer app '" + packageName + "' not installed");
+            return "";
         }
 
         final String abi = chooseAbi(appInfo);