diff --git a/check_message.sh b/check_message.sh
index 45a4369..ef238ce 100755
--- a/check_message.sh
+++ b/check_message.sh
@@ -2,11 +2,9 @@
 
 set -eu
 
-OPTIONS=$(getopt --longoptions no-jira,allow-temp,jira-in-header,header-length:,body-length:,jira-types: --options "" -- "$@")
 unset COMMIT_VALIDATOR_ALLOW_TEMP COMMIT_VALIDATOR_NO_JIRA COMMIT_VALIDATOR_NO_REVERT_SHA1 GLOBAL_JIRA_IN_HEADER GLOBAL_MAX_LENGTH GLOBAL_BODY_MAX_LENGTH GLOBAL_JIRA_TYPES
 
-eval set -- $OPTIONS
-while true; do
+while [[ $# -gt 0 ]]; do
   case "$1" in
     --no-jira ) COMMIT_VALIDATOR_NO_JIRA=1; shift ;;
     --allow-temp ) COMMIT_VALIDATOR_ALLOW_TEMP=1; shift ;;