diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index fd80e1f3..0a2bcfba 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -28,7 +28,7 @@ jobs:
         id: versions
         run: |
           TAG=$(git describe --tags)
-          if [ "${{ github.ref }}" = "refs/heads/$TAG" ]; then
+          if [ "${{ github.ref }}" = "refs/tags/$TAG" ]; then
             echo "is_release=true" >> $GITHUB_OUTPUT
             if [[ $TAG =~ ^v[0-9]+\.[0-9]+\.[0-9]$ ]]; then
               echo "is_prerelease=false" >> $GITHUB_OUTPUT