diff --git a/src/api-impl/android/graphics/drawable/AnimationDrawable.java b/src/api-impl/android/graphics/drawable/AnimationDrawable.java
index 88b1d68e..f197fadd 100644
--- a/src/api-impl/android/graphics/drawable/AnimationDrawable.java
+++ b/src/api-impl/android/graphics/drawable/AnimationDrawable.java
@@ -1,5 +1,5 @@
 package android.graphics.drawable;
 
-public class AnimationDrawable {
+public class AnimationDrawable extends Drawable {
 	public void addFrame(Drawable drawable, int dummy) {}
 }