diff --git a/Templates/Functions/Arg-Parsing.bash b/Templates/Functions/Arg-Parsing.bash
index 0728a04..454a04e 100755
--- a/Templates/Functions/Arg-Parsing.bash
+++ b/Templates/Functions/Arg-Parsing.bash
@@ -56,6 +56,7 @@ parse_args() {
       -?*)
         printf 'Unknown option: %s\n' "$1" >&2
         usage
+        exit 1
         ;;
       *) # Default case: No more options, so break out of the loop.
         break ;;
@@ -64,4 +65,4 @@ parse_args() {
   done
 }
 
-parse_args "$@"
\ No newline at end of file
+parse_args "$@"