diff --git a/cde/programs/util/dttypes/dttypes.c b/cde/programs/util/dttypes/dttypes.c
index 2340cf1f1..7d09582c7 100644
--- a/cde/programs/util/dttypes/dttypes.c
+++ b/cde/programs/util/dttypes/dttypes.c
@@ -586,12 +586,13 @@ parse_args(List *l, int argc, char **argv)
 	return(1);
 }
 
-usage()
+int usage(void)
 {
 	fprintf(stderr, "%s", catgets(dtcatd, 1, 25, "usage:  dttypes [-help]\n\tdttypes [-type filename]\n\tdttypes [-db database] [-w [rec_name regexp] [fld_name regexp]\n\t\t\t[fld_value regexp]]\n\t\t[-l [rec_name] [rec_info] [fld_name regexp] [fld_value]]\n"));
 	exit(1);
 }
 
+int
 main(int argc, char **argv)
 {
 	List	l;