diff --git a/hooks/terraform_validate.sh b/hooks/terraform_validate.sh
index 37eee6262..869de7f93 100755
--- a/hooks/terraform_validate.sh
+++ b/hooks/terraform_validate.sh
@@ -95,6 +95,10 @@ function per_dir_hook_unique_part {
 
     case $key in
       --retry-once-with-cleanup)
+        if [ $retry_once_with_cleanup ]; then 
+          common::colorify "yellow" 'Invalid hook config. Make sure that you specify not more than one "--retry-once-with-cleanup" flag'
+          exit 1
+        fi
         retry_once_with_cleanup=$value
         ;;
     esac