X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e668651137922bee36b5773d638aa696e78854d1..6de44038847d7d0930cc5342b7513d5be4283839:/include/wx/cocoa/NSWindow.h

diff --git a/include/wx/cocoa/NSWindow.h b/include/wx/cocoa/NSWindow.h
index 15a0ac7996..04da760edc 100644
--- a/include/wx/cocoa/NSWindow.h
+++ b/include/wx/cocoa/NSWindow.h
@@ -25,7 +25,8 @@ public:
     void AssociateNSWindow(WX_NSWindow cocoaNSWindow);
     inline void DisassociateNSWindow(WX_NSWindow cocoaNSWindow)
     {
-        sm_cocoaHash.erase(cocoaNSWindow);
+        if(cocoaNSWindow)
+            sm_cocoaHash.erase(cocoaNSWindow);
     }
     virtual void Cocoa_close(void) = 0;
     virtual bool Cocoa_windowShouldClose(void) = 0;