diff --git a/paddle/scripts/paddle_build.sh b/paddle/scripts/paddle_build.sh
index 55959197e7cd82253fb0c604604b4302ca0a3dc7..c6eef8683de8a4ab6c29940351ae914456a0c66f 100755
--- a/paddle/scripts/paddle_build.sh
+++ b/paddle/scripts/paddle_build.sh
@@ -181,6 +181,7 @@ function build() {
     ============================================
 EOF
     make clean
+    make -j `nproc`
     make install -j `nproc`
 }