diff --git a/.travis.yml b/.travis.yml
index c0b66f7..d398b2c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -23,7 +23,7 @@ install:
   - sudo apt-get install git libgtk2.0-dev pkg-config libavcodec-dev libavformat-dev libswscale-dev
   - sudo apt-get install python-dev python-numpy libtbb2 libtbb-dev libjpeg-dev libpng-dev libtiff-dev libjasper-dev libdc1394-22-dev checkinstall
   # Getting newest boost
-  - add-apt-repository ppa:boost-latest/ppa
+  - sudo add-apt-repository ppa:boost-latest/ppa
   - sudo apt-get update  
   - sudo apt-get install libboost-all-dev