diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index 329a483..a1df498 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -48,7 +48,7 @@ jobs:
         run: |
           apt-get update
           apt-get install -y git python3 python3-pip cmake ninja-build gcc-arm-none-eabi
-          git clone --recursive https://github.com/$GITHUB_REPO.git ${{ gitea.workspace }}
+          git clone --recursive https://github.com/${{ env.GITHUB_REPO }}.git ${{ gitea.workspace }}
           cd ${{ gitea.workspace }}
           git fetch origin --tags --force
           git submodule update --init --recursive