diff --git a/.travis.yml b/.travis.yml
index 2cb5b48d7a9..386fcae6c11 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -86,6 +86,10 @@ install:
    - cd $TRAVIS_BUILD_DIR
    - conda env create -f tardis_env27.yml
    - source activate tardis
+   - git clone https://github.com/cython/cython
+   - cd cython
+   - CFLAGS="$CFLAGS -D CYTHON_CLINE_IN_TRACEBACK=0" python setup.py install
+   - cd ..
 
 script:
     - echo CC=$COMPILER python setup.py $SETUP_CMD
diff --git a/tardis_env27.yml b/tardis_env27.yml
index 6fc5561d3c5..000d7cda80b 100644
--- a/tardis_env27.yml
+++ b/tardis_env27.yml
@@ -38,7 +38,6 @@ dependencies:
 - pytest-cov=2.2.1
 
 - pip:
-  - git+https://github.com/cython/cython
   - sphinx_bootstrap_theme
   - sphinxcontrib-bibtex
   - sphinxcontrib-tikz