diff --git a/docs/install/ubuntu_setup.md b/docs/install/ubuntu_setup.md
index a358bdb88e4f..f0c60f214f09 100644
--- a/docs/install/ubuntu_setup.md
+++ b/docs/install/ubuntu_setup.md
@@ -175,6 +175,7 @@ If building on CPU and using MKL and MKL-DNN (make sure MKL is installed accordi
     cd incubator-mxnet
     echo "USE_OPENCV = 1" >> ./config.mk
     echo "USE_BLAS = openblas" >> ./config.mk
+    echo "USE_CUDA = 0" >> ./config.mk
     echo "USE_MKLDNN = 1" >> ./config.mk
     make -j $(nproc)
 ```