diff --git a/.gitea/workflows/build-and-publish.yaml b/.gitea/workflows/build-and-publish.yaml
index f146e90..97d899e 100644
--- a/.gitea/workflows/build-and-publish.yaml
+++ b/.gitea/workflows/build-and-publish.yaml
@@ -22,7 +22,7 @@ jobs:
           REPO: ${{ github.repository }}
           SHA: ${{ github.sha }}
         run: |
-          STRIPPED_URL=$(nix shell nixpkgs#gnused echo $GITEA_URL | sed -e 's|^https://||' -e 's|^http://||')
+          STRIPPED_URL=$(nix shell nixpkgs#gnused --command echo $GITEA_URL | sed -e 's|^https://||' -e 's|^http://||')
           echo "Cloning from: $STRIPPED_URL"
           # Perform the clone
           git clone --depth 1 "https://token:${TOKEN}@${STRIPPED_URL}/${REPO}.git" .