diff --git a/cde/lib/DtMrm/DtMrm.c b/cde/lib/DtMrm/DtMrm.c
index cdf296bd3..a642a8dc7 100644
--- a/cde/lib/DtMrm/DtMrm.c
+++ b/cde/lib/DtMrm/DtMrm.c
@@ -137,7 +137,7 @@ static char rcsid[] = "$TOG: DtMrm.c /main/4 1999/10/14 13:35:44 mgreess $"
 static	Boolean	urm__initialize_complete = FALSE;
 
 
-void DtMrmInitialize ()
+void DtMrmInitialize (void)
 
 /*
  *++