diff --git a/paddle/scripts/paddle_build.sh b/paddle/scripts/paddle_build.sh
index c1f04c4c35fee75d6ae7420d689d4507e307283d..e0aec2ba50bd41cee81a65446221437c37442217 100755
--- a/paddle/scripts/paddle_build.sh
+++ b/paddle/scripts/paddle_build.sh
@@ -824,7 +824,7 @@ function generate_api_spec() {
 
     awk -F '(' '{print $NF}' $spec_path >${spec_path}.doc
     awk -F '(' '{$NF="";print $0}' $spec_path >${spec_path}.api
-    if [ "$1" == "cp35-cp35m" ] || [ "$1" == "cp36-cp36m" ] || [ "$1" == "cp37-cp37m" ] || [ "$1" == "cp38-cp38" || [ "$1" == "cp39-cp39" ]; then
+    if [ "$1" == "cp35-cp35m" ] || [ "$1" == "cp36-cp36m" ] || [ "$1" == "cp37-cp37m" ] || [ "$1" == "cp38-cp38" ] || [ "$1" == "cp39-cp39" ]; then
         # Use sed to make python2 and python3 sepc keeps the same
         sed -i 's/arg0: str/arg0: unicode/g' $spec_path
         sed -i "s/\(.*Transpiler.*\).__init__ (ArgSpec(args=\['self'].*/\1.__init__ /g" $spec_path