diff --git a/.github/workflows/test_nightly.yml b/.github/workflows/test_nightly.yml
index 8fc19909..06370ba0 100644
--- a/.github/workflows/test_nightly.yml
+++ b/.github/workflows/test_nightly.yml
@@ -1,8 +1,7 @@
 name: Nightly regression tests
 
 on:
-  repository_dispatch:
-    types: [run_tests_nightly]
+  workflow_dispatch
 
 jobs:
   test: