diff --git a/data/hooks/conf_regen/34-mysql b/data/hooks/conf_regen/34-mysql
index 60361cfd5..41afda110 100755
--- a/data/hooks/conf_regen/34-mysql
+++ b/data/hooks/conf_regen/34-mysql
@@ -69,18 +69,4 @@ do_post_regen() {
     || systemctl restart mysql
 }
 
-
-case "$1" in
-  pre)
-    do_pre_regen $4
-    ;;
-  post)
-    do_post_regen $4
-    ;;
-  *)
-    echo "hook called with unknown argument \`$1'" >&2
-    exit 1
-    ;;
-esac
-
-exit 0
+do_$1_regen ${@:2}