diff --git a/.github/workflows/karma-tests.yml b/.github/workflows/karma-tests.yml
index 9678316b7..49e77506a 100644
--- a/.github/workflows/karma-tests.yml
+++ b/.github/workflows/karma-tests.yml
@@ -8,7 +8,7 @@ on:
     branches: [ master ]
   pull_request:
     branches: [ master ]
-  workflow_dispatch
+  workflow_dispatch:
 
 jobs:
   build: