diff --git a/.github/workflows/diffcalc.yml b/.github/workflows/diffcalc.yml
index 7572261caec1..860683114274 100644
--- a/.github/workflows/diffcalc.yml
+++ b/.github/workflows/diffcalc.yml
@@ -151,7 +151,7 @@ jobs:
   directory:
     name: Prepare directory
     needs: check-permissions
-    runs-on: self-hosted
+    runs-on: ubuntu-latest
     outputs:
       GENERATOR_DIR: ${{ steps.set-outputs.outputs.GENERATOR_DIR }}
       GENERATOR_ENV: ${{ steps.set-outputs.outputs.GENERATOR_ENV }}
@@ -173,7 +173,7 @@ jobs:
   environment:
     name: Setup environment
     needs: [ master-environment, directory ]
-    runs-on: self-hosted
+    runs-on: ubuntu-latest
     env:
       VARS_JSON: ${{ toJSON(vars) }}
     steps: