diff --git a/WINGs/WINGs/WINGsP.h.in b/WINGs/WINGs/WINGsP.h.in
index 031d9ef3..82644fee 100644
--- a/WINGs/WINGs/WINGsP.h.in
+++ b/WINGs/WINGs/WINGsP.h.in
@@ -378,6 +378,8 @@ void W_InitNotificationCenter(void);
 
 void W_ReleaseNotificationCenter(void);
 
+void W_ClearNotificationCenter(void);
+
 
 /* ---[ selection.c ]----------------------------------------------------- */