diff --git a/utils/ifacecheck/src/ifacecheck.cpp b/utils/ifacecheck/src/ifacecheck.cpp
index f7df0abaa8..efb72a14b1 100644
--- a/utils/ifacecheck/src/ifacecheck.cpp
+++ b/utils/ifacecheck/src/ifacecheck.cpp
@@ -18,6 +18,7 @@
 // for all others, include the necessary headers
 #ifndef WX_PRECOMP
     #include "wx/app.h"
+    #include "wx/crt.h"
 #endif
 
 #include "wx/cmdline.h"