diff --git a/library/src/com/nineoldandroids/view/animation/AnimatorProxy.java b/library/src/com/nineoldandroids/view/animation/AnimatorProxy.java
index ef3dda2..1ea5b34 100644
--- a/library/src/com/nineoldandroids/view/animation/AnimatorProxy.java
+++ b/library/src/com/nineoldandroids/view/animation/AnimatorProxy.java
@@ -315,7 +315,7 @@ private void transformMatrix(Matrix m, View view) {
     protected void applyTransformation(float interpolatedTime, Transformation t) {
         View view = mView.get();
         if (view != null) {
-            t.setAlpha(mAlpha);
+            t.setAlpha(Math.max(0, mAlpha));
             transformMatrix(t.getMatrix(), view);
         }
     }