diff --git a/src/mac/carbon/taskbar.cpp b/src/mac/carbon/taskbar.cpp
index e59ddefa04..494e0aa48d 100644
--- a/src/mac/carbon/taskbar.cpp
+++ b/src/mac/carbon/taskbar.cpp
@@ -176,6 +176,7 @@ bool wxTaskBarIcon::RemoveIcon()
 	//TODO:  Not tested
 	OSStatus err = RestoreApplicationDockTileImage();
 	wxASSERT(err == 0);
+        m_iconAdded = false;
 
 	return true;
 }