diff --git a/.forgejo/workflows/check-syntax.yml b/.forgejo/workflows/check-syntax.yml
index af50b06..d966832 100644
--- a/.forgejo/workflows/check-syntax.yml
+++ b/.forgejo/workflows/check-syntax.yml
@@ -1,5 +1,5 @@
 name: Check syntax
-on: [push]
+on: [push,workflow_dispatch]
 jobs:
   check:
     runs-on: debian-latest