diff --git a/docs/install/scala_setup.md b/docs/install/scala_setup.md
index 32b2b995927d..0dadd8bca400 100644
--- a/docs/install/scala_setup.md
+++ b/docs/install/scala_setup.md
@@ -29,6 +29,8 @@ These scripts will install Maven and its dependencies.
 ```bash
 wget https://raw.githubusercontent.com/apache/incubator-mxnet/master/ci/docker/install/ubuntu_core.sh
 wget https://raw.githubusercontent.com/apache/incubator-mxnet/master/ci/docker/install/ubuntu_scala.sh
+chmod +x ubuntu_core.sh
+chmod +x ubuntu_scala.sh
 sudo ./ubuntu_core.sh
 sudo ./ubuntu_scala.sh
 ```