diff --git a/src/common/rgncmn.cpp b/src/common/rgncmn.cpp
index 9c756c35da..8783410635 100644
--- a/src/common/rgncmn.cpp
+++ b/src/common/rgncmn.cpp
@@ -25,6 +25,7 @@
     #include "wx/dcmemory.h"
     #include "wx/bitmap.h"
     #include "wx/image.h"
+    #include "wx/utils.h"
 #endif //WX_PRECOMP
 
 // ============================================================================