diff --git a/.gitea/workflows/pipeline.yml b/.gitea/workflows/pipeline.yml
index b400f71..5f6b077 100644
--- a/.gitea/workflows/pipeline.yml
+++ b/.gitea/workflows/pipeline.yml
@@ -260,7 +260,17 @@ jobs:
             commit_hash=$(git rev-parse HEAD)
             build_time=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
 
-            base_digest="${{ steps.base_digests.outputs[$variant] }}"
+            case "$variant" in
+              alpine)
+                base_digest="${{ steps.base_digests.outputs.alpine }}"
+                ;;
+              debian)
+                base_digest="${{ steps.base_digests.outputs.debian }}"
+                ;;
+              basic)
+                base_digest="${{ steps.base_digests.outputs.basic }}"
+                ;;
+            esac
 
             mkdir -p "$variant"
             jq -n \