diff --git a/src/common/taskbarcmn.cpp b/src/common/taskbarcmn.cpp
index 4b1cc41fb2..97f25d32e5 100644
--- a/src/common/taskbarcmn.cpp
+++ b/src/common/taskbarcmn.cpp
@@ -13,11 +13,13 @@
 #pragma implementation "taskbar.h"
 #endif
 
-#ifdef wxHAS_TASK_BAR_ICON
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
+#include "wx/defs.h"
+
+#ifdef wxHAS_TASK_BAR_ICON
+
 #include "wx/taskbar.h"
 
 DEFINE_EVENT_TYPE( wxEVT_TASKBAR_MOVE )