diff --git a/.travis.yml b/.travis.yml
index 78c419a..91ed8be 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -43,19 +43,20 @@ before_install:
         export CXX="clang++-3.4";
       fi
     fi
-	
-  - if [ ${TRAVIS_OS_NAME} = osx ]; then
+
+  - if ["{TRAVIS_OS_NAME}}" = osx]; then
       brew update;
       brew tap homebrew/science;
+      /usr/bin/yes | pip uninstall numpy;
+      brew install tbb
     fi
 
-  - wget https://github.com/Itseez/opencv/archive/3.1.0.zip 
-  - sudo unzip 3.1.0.zip
+    - wget https://github.com/Itseez/opencv/archive/3.1.0.zip 
+    - sudo unzip 3.1.0.zip
+before_script:
   - cd opencv-3.1.0
   - sudo mkdir build
   - cd build
-  
-before_script:
   - if [ "$CXX" = "g++" ]; then sudo cmake -D CMAKE_BUILD_TYPE=RELEASE -D WITH_V4L=ON -D WITH_OPENCL=OFF -D INSTALL_C_EXAMPLES=OFF -D BUILD_EXAMPLES=OFF -D BUILD_TESTS=OFF -D BUILD_PERF_TESTS=OFF -D BUILD_EXAMPLES=OFF -D INSTALL_PYTHON_EXAMPLES=OFF .. ; fi
   - if [ "$CXX" = "clang++" ]; then sudo cmake -D CMAKE_CXX_COMPILER=clang++ -D CMAKE_CXX_FLAGS="-std=c++11 -stdlib=libc++ -I/usr/include/libcxxabi" -D CMAKE_EXE_LINKER_FLAGS="-std=c++11 -stdlib=libc++ -lc++abi" -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 .. ; fi  
   - sudo make -j4