diff --git a/.github/workflows/tree.yml b/.github/workflows/tree.yml
index c670da5964460..1bb55bf731f97 100644
--- a/.github/workflows/tree.yml
+++ b/.github/workflows/tree.yml
@@ -43,6 +43,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           fetch-depth: 0
+          ref: ${{github.sha}}
 
       - name: Fix "dubious ownership" issue
         run: git config --global --add safe.directory /__w/tarantool/tarantool
diff --git a/tools/check-entrypoint-tag.sh b/tools/check-entrypoint-tag.sh
index 66e0658a42494..9ce005e821ce6 100755
--- a/tools/check-entrypoint-tag.sh
+++ b/tools/check-entrypoint-tag.sh
@@ -25,7 +25,7 @@
 # - master
 # - release/*
 
-set -eo pipefail
+set -xeo pipefail
 
 error() {
    echo "$@" 1>&2