diff --git a/src/generic/progdlgg.cpp b/src/generic/progdlgg.cpp
index 64dd3b5f2c..0f9d5d899f 100644
--- a/src/generic/progdlgg.cpp
+++ b/src/generic/progdlgg.cpp
@@ -41,6 +41,7 @@
     #include "wx/intl.h"
     #include "wx/settings.h"
     #include "wx/dcclient.h"
+#   include "wx/timer.h"
 #endif
 
 #include "wx/generic/progdlgg.h"