diff --git a/main.c b/main.c
index 0b4404e..8767804 100644
--- a/main.c
+++ b/main.c
@@ -418,7 +418,7 @@ void args_parse (int argc, char **argv) {
   "B"
 #endif
 #ifdef USE_LUA
-  "c"
+  "s"
 #endif
   
   )) != -1) {