diff --git a/paddle/scripts/paddle_build.sh b/paddle/scripts/paddle_build.sh
index a09f3ba07af9124d3d62f2ba9aa546973a892c48..0192cd03f24057fbd93937a36ecaeea2c4b06197 100755
--- a/paddle/scripts/paddle_build.sh
+++ b/paddle/scripts/paddle_build.sh
@@ -112,6 +112,7 @@ function cmake_gen() {
     if [ "$SYSTEM" == "Darwin" ]; then
         WITH_DISTRIBUTE=${WITH_DISTRIBUTE:-ON}
         WITH_AVX=${WITH_AVX:-ON}
+        INFERENCE_DEMO_INSTALL_DIR=${INFERENCE_DEMO_INSTALL_DIR}
     else
         INFERENCE_DEMO_INSTALL_DIR=${INFERENCE_DEMO_INSTALL_DIR=-/root/.cache/inference_demo}
     fi