diff --git a/.github/workflows/unit.yml b/.github/workflows/unit.yml
index 82d967d9..d9360d66 100644
--- a/.github/workflows/unit.yml
+++ b/.github/workflows/unit.yml
@@ -2,6 +2,7 @@ name: Unit
 
 # disable for now
 # these jobs only run on ubuntu, but seems not only contain linux related features
+on: workflow_dispatch
 
 jobs:
   ubuntu_makefile_escape: