diff --git a/src/emk.c b/src/emk.c
index ee224cb..13f01e7 100644
--- a/src/emk.c
+++ b/src/emk.c
@@ -5,7 +5,7 @@
 #include "emk.h"
 
 static void
-usage()
+usage(int argc, char *argv[])
 {
 	printf("%s - simple build system and scripting language\n", argv[0]);
 	printf("usage: %s [-h] [-v]\n", argv[0]);
@@ -27,7 +27,7 @@ main(int argc, char *argv[])
 	while ((opt = getopt(argv,argv, ":if:hv")) != -1) {
 		switch(opt) {
 		case 'h':
-			usage();
+			usage(argc, argv);
 			break;
 		case 'v':
 			printf(EMK_VERSION "\n");