diff --git a/.github/workflows/r2s_lean_minimal-test.yml b/.github/workflows/r2s_lean_minimal-test.yml
index f2532e7..079320c 100644
--- a/.github/workflows/r2s_lean_minimal-test.yml
+++ b/.github/workflows/r2s_lean_minimal-test.yml
@@ -216,7 +216,7 @@ jobs:
           md5sum *img* > md5sum.txt
           cd ..
           zip -r artifact.zip ./artifact/
-          release_tag="R2S-Minimal-$(date +%Y-%m-%d) test"
+          release_tag="R2S-Minimal-$(date +%Y-%m-%d)-test"
           echo "##[set-output name=release_tag;]$release_tag"
       - name: Create Release
         id: create_release