diff --git a/src/common/wincmn.cpp b/src/common/wincmn.cpp
index a72ede3d9f..2b63369661 100644
--- a/src/common/wincmn.cpp
+++ b/src/common/wincmn.cpp
@@ -1620,7 +1620,7 @@ struct WXDLLEXPORT wxWindowNext
 {
     wxWindow *win;
     wxWindowNext *next;
-} *wxWindow::ms_winCaptureNext = NULL;
+} *wxWindowBase::ms_winCaptureNext = NULL;
 
 void wxWindowBase::CaptureMouse()
 {