diff --git a/paddle/scripts/paddle_build.sh b/paddle/scripts/paddle_build.sh
index c896c2595ff8075f258eb592286921f11a866a3b..99320e271357ec04f4966098d89a2bd1b80da2f2 100755
--- a/paddle/scripts/paddle_build.sh
+++ b/paddle/scripts/paddle_build.sh
@@ -466,7 +466,7 @@ function assert_api_spec_approvals() {
                "python/paddle/fluid/compiler.py"
                "paddle/fluid/operators/distributed/send_recv.proto.in")
     for API_FILE in ${API_FILES[*]}; do
-      API_CHANGE=`git diff --name-only upstream/$BRANCH | grep "${API_FILE}" | grep -v "/CMakeList.txt" || true`
+      API_CHANGE=`git diff --name-only upstream/$BRANCH | grep "${API_FILE}" | grep -v "/CMakeLists.txt" || true`
       echo "checking ${API_FILE} change, PR: ${GIT_PR_ID}, changes: ${API_CHANGE}"
       if [ "${API_CHANGE}" ] && [ "${GIT_PR_ID}" != "" ]; then
           # NOTE: per_page=10000 should be ok for all cases, a PR review > 10000 is not human readable.