diff --git a/paddle/scripts/paddle_build.sh b/paddle/scripts/paddle_build.sh
index c44e8827f0dc2dd6e50b6b5d481580bd63b98e6a..88d9e6e55d577dbb5b883d1c59e2c58d54373742 100755
--- a/paddle/scripts/paddle_build.sh
+++ b/paddle/scripts/paddle_build.sh
@@ -617,6 +617,7 @@ function fetch_upstream_develop_if_not_exist() {
 function generate_upstream_develop_api_spec() {
     fetch_upstream_develop_if_not_exist
     cur_branch=`git branch | grep \* | cut -d ' ' -f2`
+    git checkout .
     git checkout -b develop_base_pr upstream/$BRANCH
     cmake_gen $1
     build $2