diff --git a/tools/build-release.sh b/tools/build-release.sh
index 0cad289332c..5be54f26111 100755
--- a/tools/build-release.sh
+++ b/tools/build-release.sh
@@ -202,6 +202,7 @@ sync_tag() {
     tag="${tag#*release-}"
     tag="${tag#*version-}"
     tag="${tag#*v}"
+    tag="${tag%-*}"
     tag="${tag:0:10}"
     sed -i -e "s|appVersion: .*|appVersion: \"${tag}\"|" "${chart}/Chart.yaml"
     }