diff --git a/rotagen.c b/rotagen.c
index c2ed791..e5c9701 100644
--- a/rotagen.c
+++ b/rotagen.c
@@ -22,7 +22,7 @@ static void *pool_alloc(int size)
 	return ptr;
 }
 
-int main(void)
+int main(int argc, char **argv)
 {
 	free_ptr = &pool[0];
 
@@ -38,8 +38,9 @@ int main(void)
 	}
 	srand(seed);
 
+	const char *config_path = argc > 1 ? argv[1] : "rotagen.conf";
 	memset(&conf, 0, sizeof(conf));
-	read_config("rotagen.conf", &conf);
+	read_config(config_path, &conf);
 
 	struct slot_result *rota
 	    = pool_alloc(conf.num_slots * sizeof(struct slot_result));