diff --git a/.travis.yml b/.travis.yml
index 6715cb888572ed423e7465db16ae5b67ce59006d..2d59307241c8abdefe0c82d3ca1cb759642c12b7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -22,9 +22,10 @@ addons:
       - ccache
 
 script:
-    - cmake . && make && make test
-    - 'if [ "$TRAVIS_PULL_REQUEST" != "false" ]; then bash ./travis/run_on_pull_requests; fi'
-    - 'if [ "$TRAVIS_PULL_REQUEST" = "false" ]; then bash ./travis/run_on_non_pull_requests; fi'
+    - mkdir build
+    - cd build && cmake .. && make && make test
+    - if [ "$TRAVIS_PULL_REQUEST" != "false" ]; then bash ./travis/run_on_pull_requests; fi
+    - if [ "$TRAVIS_PULL_REQUEST" = "false" ]; then bash ./travis/run_on_non_pull_requests; fi
 
 notifications:
   email: