diff --git a/src/brut/androlib/Androlib.java b/src/brut/androlib/Androlib.java
index 6892b180..9a8cfeb3 100644
--- a/src/brut/androlib/Androlib.java
+++ b/src/brut/androlib/Androlib.java
@@ -156,7 +156,7 @@ public class Androlib {
         if (outFile == null) {
             String outFileName = (String) meta.get("apkFileName");
             outFile = new File(appDir, "dist" + File.separator +
-                (outFileName == null ? "out" : outFileName));
+                (outFileName == null ? "out.apk" : outFileName));
         }
 
         new File(appDir, APK_DIRNAME).mkdirs();