diff --git a/.travis.yml b/.travis.yml
index 6a7ab85..001f7e5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,6 +14,8 @@ before_install:
         sudo apt-get install -qq g++-4.7 && export CXX="g++-4.7" CC="gcc-4.7"
       fi
     fi
+env:
+  - CTEST_OUTPUT_ON_FAILURE=1
 before_script:
   - mkdir build
   - cd build