diff --git a/cde/programs/dtudcfonted/ufont.c b/cde/programs/dtudcfonted/ufont.c
index 8cd7304ea..b68f933c6 100644
--- a/cde/programs/dtudcfonted/ufont.c
+++ b/cde/programs/dtudcfonted/ufont.c
@@ -134,6 +134,7 @@ extern void PopupSelectXLFD();
 extern void UpdateMessage();
 extern void DispMngErrorMessage();
 extern void DispCpyErrorMessage();
+static int setRealDelArea();
 
 /****************************************************************
  * parameters   						*