diff --git a/respawn.c b/respawn.c
index c2aeea0..453c534 100644
--- a/respawn.c
+++ b/respawn.c
@@ -13,7 +13,7 @@ usage(void)
 }
 
 int
-main(int argc, char **argv)
+main(int argc, char *argv[])
 {
 	pid_t pid;
 	int savederrno;