diff --git a/base-images/build.sh b/base-images/build.sh
index f93ef1ed7..4c0aa2470 100755
--- a/base-images/build.sh
+++ b/base-images/build.sh
@@ -2,7 +2,7 @@
 
 ROOT_DIR=`dirname $0`
 
-GIT_TAG_VERSION=${$(git describe --tags --abbrev=0)//v/} # remove v from version
+GIT_TAG_VERSION=$(git describe --tags --abbrev=0 | sed -r 's/[v]+//g') # remove v from version
 ENVD_VERSION="${ENVD_VERSION:-$GIT_TAG_VERSION}"
 DOCKER_HUB_ORG="${DOCKER_HUB_ORG:-tensorchord}"
 PYTHON_VERSION="${PYTHON_VERSION:-3.9}"