diff --git a/ci/scripts/linter.sh b/ci/scripts/linter.sh
index a502c09f8..e58249169 100755
--- a/ci/scripts/linter.sh
+++ b/ci/scripts/linter.sh
@@ -7,7 +7,7 @@ current_branch=$(git rev-parse --abbrev-ref HEAD)
 echo "current branch ${current_branch}"
 BASE_SHA=$(git merge-base origin/$GITHUB_BASE_REF $current_branch)
 
-echo "base sha = $"{BASE_SHA}"
+echo "base sha = ${BASE_SHA}"
 
 changed_files=$(git diff --name-only $BASE_SHA HEAD)