diff --git a/.travis.yml b/.travis.yml
index 60997b3..b273cc8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,7 +3,7 @@ compiler:
   - gcc
 before_install:
  #- sudo apt-get install libboost-chrono1.48-dev libboost-regex1.48-dev libboost-system1.48-dev libboost-thread1.48-dev libboost-test1.48-dev libboost-random1.48-dev -y
- - sudo add-apt-repository -y ppa:boost-latest/ppa && sudo apt-get update -q sudo apt-get install -y boost1.55
+ - sudo add-apt-repository -y ppa:boost-latest/ppa && sudo apt-get update -q && sudo apt-get install -y boost1.55
 env:
   global:
     - BOOST_INCLUDES=/usr/include