diff --git a/.github/workflows/single-header.yml b/.github/workflows/single-header.yml
index dbb7403..87d7934 100644
--- a/.github/workflows/single-header.yml
+++ b/.github/workflows/single-header.yml
@@ -15,7 +15,7 @@ on:
       - improvement/**
       - bugfix/**
 
-  workflow-dispatch:
+  workflow_dispatch:
 
 jobs:
   single_header_tests: