diff --git a/.travis.yml b/.travis.yml
index 6e487ca..364dd9f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -54,10 +54,10 @@ before_script:
   - wget https://github.com/Itseez/opencv/archive/3.1.0.zip
   - sudo unzip 3.1.0.zip
   - cd opencv-3.1.0
-  - mkdir build
+  - sudo mkdir build
   - cd build
-  - cmake -D CMAKE_BUILD_TYPE=RELEASE -D WITH_V4L=ON -D WITH_OPENCL=OFF -D INSTALL_C_EXAMPLES=OFF -D BUILD_EXAMPLES=OFF -D BUILD_TESTS=OFF -D BUILD_PERF_TESTS=OFF -D BUILD_EXAMPLES=OFF -D INSTALL_PYTHON_EXAMPLES=OFF ..
-  - make -j4
+  - sudo cmake -D CMAKE_BUILD_TYPE=RELEASE -D WITH_V4L=ON -D WITH_OPENCL=OFF -D INSTALL_C_EXAMPLES=OFF -D BUILD_EXAMPLES=OFF -D BUILD_TESTS=OFF -D BUILD_PERF_TESTS=OFF -D BUILD_EXAMPLES=OFF -D INSTALL_PYTHON_EXAMPLES=OFF ..
+  - sudo make -j4
   - sudo make install
   - sudo ldconfig
   - cd ../..