diff --git a/.travis.yml b/.travis.yml
index 0e038f4c..7c557879 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -64,7 +64,7 @@ script:
 
     # Run all tests
     - if [[ $PYVER == '3.x' ]]; then
-    -   nosetests --exe -v --with-doctest --with-cov --cov skimage --cov-config .coveragerc skimage
+    -   nosetests --exe -v --with-doctest --with-cov --cov skimage --cov-config=.coveragerc skimage
     - fi
     - if [[ $PYVER == '2.x' ]]; then
     -   nosetests --exe -v --with-doctest skimage