diff --git a/AppKit/CPButton.j b/AppKit/CPButton.j
index b79b72c93..f40fbdf75 100644
--- a/AppKit/CPButton.j
+++ b/AppKit/CPButton.j
@@ -176,6 +176,8 @@ CPButtonImageOffset   = 3.0;
     // Continuous button defaults.
     _periodicInterval   = 0.05;
     _periodicDelay      = 0.5;
+
+    _imageDimsWhenDisabled = YES;
 }
 
 // Setting the state