diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 874c4b341b..bea74325ee 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -37,7 +37,7 @@ jobs:
       with:
         context: .
         push: false
-        tags: TAG
+        tags: ${{ TAG }}
         load: true
         cache-from: type=gha
         cache-to: type=gha,mode=max