diff --git a/camino/src/extensions/RolloverImageButton.m b/camino/src/extensions/RolloverImageButton.m
index 622aeb5538f9..66fd1f8206f6 100644
--- a/camino/src/extensions/RolloverImageButton.m
+++ b/camino/src/extensions/RolloverImageButton.m
@@ -70,6 +70,7 @@
 
 - (void)dealloc
 {
+  [self removeTrackingRect];
   [mImage release];
   [mHoverImage release];