diff --git a/.github/workflows/fleximod_test.yaml b/.github/workflows/fleximod_test.yaml
index f014bc972..9af4cf643 100644
--- a/.github/workflows/fleximod_test.yaml
+++ b/.github/workflows/fleximod_test.yaml
@@ -1,7 +1,7 @@
 on:
   push:
     branches: [ master ]
-  pull-request:
+  pull_request:
     branches: [ master ]
 jobs:
   fleximod-test: