diff --git a/.github/jobs/get_branch_name.sh b/.github/jobs/get_branch_name.sh
index 82a1ee9a84..817b21faa4 100755
--- a/.github/jobs/get_branch_name.sh
+++ b/.github/jobs/get_branch_name.sh
@@ -10,6 +10,7 @@ else
 fi
 
 branch_name=${branch_name#"refs/heads/"}
+branch_name=${branch_name#"refs/tags/"}
 
 echo "branch_name=${branch_name}" >> $GITHUB_OUTPUT
 echo branch_name: $branch_name
diff --git a/internal/scripts/docker/Dockerfile b/internal/scripts/docker/Dockerfile
index d2acbed3f6..c5daf58492 100644
--- a/internal/scripts/docker/Dockerfile
+++ b/internal/scripts/docker/Dockerfile
@@ -19,7 +19,7 @@ RUN if [ "x${SOURCE_BRANCH}" = "x" ]; then \
       echo "Build Argument SOURCE_BRANCH=${SOURCE_BRANCH}"; \
     fi
 
-ENV MET_GIT_NAME    $(echo ${SOURCE_BRANCH} | sed 's%/%_%g')
+ENV MET_GIT_NAME    ${SOURCE_BRANCH}
 ENV MET_REPO_DIR    /met/MET-${MET_GIT_NAME}
 ENV MET_GIT_URL     https://github.com/dtcenter/MET
 ENV MET_DEVELOPMENT true
diff --git a/internal/scripts/docker/Dockerfile.copy b/internal/scripts/docker/Dockerfile.copy
index 59941a5f03..4d3d9476cd 100644
--- a/internal/scripts/docker/Dockerfile.copy
+++ b/internal/scripts/docker/Dockerfile.copy
@@ -19,7 +19,7 @@ RUN if [ "x${SOURCE_BRANCH}" = "x" ]; then \
       echo "Build Argument SOURCE_BRANCH=${SOURCE_BRANCH}"; \
     fi
 
-ENV MET_GIT_NAME    $(echo ${SOURCE_BRANCH} | sed 's%/%_%g')
+ENV MET_GIT_NAME    ${SOURCE_BRANCH}
 ENV MET_REPO_DIR    /met/MET-${MET_GIT_NAME}
 ENV MET_GIT_URL     https://github.com/dtcenter/MET
 ENV MET_DEVELOPMENT true