diff --git a/.github/workflows/build-api.yaml b/.github/workflows/build-api.yaml
index 907694a..2f3888c 100644
--- a/.github/workflows/build-api.yaml
+++ b/.github/workflows/build-api.yaml
@@ -25,4 +25,4 @@ jobs:
             API_PORT=5000
           context: .
           push: false
-          tags: basil-api.${{ env.BRANCH_NAME }}
+          tags: basil-api_${{ env.BRANCH_NAME }}