diff --git a/.travis.yml b/.travis.yml
index dae9f3102..7c46228f4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,8 +10,10 @@ install:
 script:
 - bash package/linux/travis-setup.sh
 - perlbrew switch slic3r-perl
-- cmake src/
+- cmake -DBOOST_ROOT=$BOOST_DIR src/
+- cd src
 - make -j4
+- cd ..
 after_success:
 - eval $(perl -Mlocal::lib=$TRAVIS_BUILD_DIR/local-lib)
 - LD_LIBRARY_PATH=$WXDIR/lib package/linux/make_archive.sh linux-x64