diff --git a/usr.bin/c89/c89.c b/usr.bin/c89/c89.c
index a1dc9b2a6238..930153fcb919 100644
--- a/usr.bin/c89/c89.c
+++ b/usr.bin/c89/c89.c
@@ -72,7 +72,7 @@ main(int argc, char **argv)
 	Argv.a = malloc((argc + 1 + N_ARGS_PREPENDED) * sizeof *Argv.a);
 	if (Argv.a == NULL)
 		err(1, "malloc");
-	Argv.a[Argc++] = argv[0];
+	Argv.a[Argc++] = CC;
 	for (j = 0; j < N_ARGS_PREPENDED; ++j)
 		Argv.a[Argc++] = args_prepended[j];
 	while ((i = getopt(argc, argv, "cD:EgI:l:L:o:OsU:")) != -1) {