diff --git a/src/generic/calctrlg.cpp b/src/generic/calctrlg.cpp
index e6f1b35cf7..bd6776ec80 100644
--- a/src/generic/calctrlg.cpp
+++ b/src/generic/calctrlg.cpp
@@ -49,7 +49,7 @@
 
 #ifdef wxHAS_NATIVE_CALENDARCTRL
 
-IMPLEMENT_DYNAMIC_CLASS_XTI(wxGenericCalendarCtrl, wxControl,"wx/calctrl.h")
+wxIMPLEMENT_DYNAMIC_CLASS_XTI(wxGenericCalendarCtrl, wxControl,"wx/calctrl.h")
 
 #endif