diff --git a/include/wx/generic/prntdlgg.h b/include/wx/generic/prntdlgg.h
index 99d4d2a974..18a8997583 100644
--- a/include/wx/generic/prntdlgg.h
+++ b/include/wx/generic/prntdlgg.h
@@ -22,6 +22,7 @@
 #if wxUSE_PRINTING_ARCHITECTURE
 
 #include "wx/dialog.h"
+#include "wx/cmndata.h"
 
 #if wxUSE_POSTSCRIPT
     #include "wx/dcps.h"