diff --git a/src/main.c b/src/main.c
index 460f4520..75390c96 100644
--- a/src/main.c
+++ b/src/main.c
@@ -313,7 +313,7 @@ int main(int argc, char* argv[])
     // Init all information of supported devices
     init_devices();
 
-    while ((c = getopt_long(argc, argv, "bchi:l:f::n:r:s:uv:p:?", opts, &option_index)) != -1) {
+    while ((c = getopt_long(argc, argv, "bchi:l:f::mn:r:s:uv:p:?", opts, &option_index)) != -1) {
         char* endptr = NULL; // for strtol
 
         switch (c) {