diff --git a/clientgui/stdwx.h b/clientgui/stdwx.h
index e1b566c8e2..486999d00b 100644
--- a/clientgui/stdwx.h
+++ b/clientgui/stdwx.h
@@ -97,6 +97,14 @@
 #endif
 
 
+#ifdef __WXMSW__
+
+// Windows Headers
+//
+#include <crtdbg.h>
+
+#endif
+
 // Standard Libraries
 //
 
@@ -144,8 +152,6 @@
 
 #ifdef _DEBUG
 
-#include <crtdbg.h>
-
 #define malloc(s)                             _malloc_dbg(s, _NORMAL_BLOCK, __FILE__, __LINE__)
 #define calloc(c, s)                          _calloc_dbg(c, s, _NORMAL_BLOCK, __FILE__, __LINE__)
 #define realloc(p, s)                         _realloc_dbg(p, s, _NORMAL_BLOCK, __FILE__, __LINE__)