diff --git a/.gitea/workflows/pr.yml b/.gitea/workflows/pr.yml
index 0096e89..b50c49f 100644
--- a/.gitea/workflows/pr.yml
+++ b/.gitea/workflows/pr.yml
@@ -58,12 +58,15 @@ jobs:
 
       - name: Build Docker image for PR
         run: |
+          WORKSPACE_DIR="$GITHUB_WORKSPACE"
           IMAGE_TAG="pr-${{ steps.info.outputs.pr_number }}-${{ steps.info.outputs.short_sha }}"
           docker build \
+            --context "$WORKSPACE_DIR" \
+            --file "$WORKSPACE_DIR/Dockerfile" \
             --target runner \
             --build-arg GIT_COMMIT=$GITHUB_SHA \
             -t ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${IMAGE_TAG} \
-            .
+            "$WORKSPACE_DIR"
 
       - name: Update CI site compose and restart
         run: |