diff --git a/include/wx/vector.h b/include/wx/vector.h
index 74252da28e..1132087a5e 100644
--- a/include/wx/vector.h
+++ b/include/wx/vector.h
@@ -21,6 +21,8 @@
 
 #else // !wxUSE_STL
 
+#include "wx/utils.h"
+
 template<typename T>
 class wxVector
 {