diff --git a/src/mac/carbon/mdi.cpp b/src/mac/carbon/mdi.cpp
index 867b9b3099..871d223cb6 100644
--- a/src/mac/carbon/mdi.cpp
+++ b/src/mac/carbon/mdi.cpp
@@ -374,7 +374,7 @@ bool wxMDIChildFrame::Create(wxMDIParentFrame *parent,
 
     wxModelessWindows.Append(this);
 
-    return false;
+    return true;
 }
 
 wxMDIChildFrame::~wxMDIChildFrame()