diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index c02b526..a9ce164 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -109,7 +109,8 @@ jobs:
   # Preparation job - determines build configuration
   prepare:
     name: Prepare Build
-    runs-on: ${{ env.RUNNER_OS }}
+    runs-on:
+      - "ubuntu-latest"
     outputs:
       platforms: ${{ steps.config.outputs.platforms }}
       build_type: ${{ steps.config.outputs.build_type }}