diff --git a/.travis.yml b/.travis.yml
index d7835a0..3dba234 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,8 +16,8 @@ script:
   - |
     set -e -o pipefail;
     if [ "$TRAVIS_PULL_REQUEST" != "false" ]
-      then git diff $TRAVIS_COMMIT_RANGE !(docs) | flake8 --diff;
-      else git fetch -q origin master:origin/master && git diff origin/master... !(docs) | flake8 --diff
+      then git diff $TRAVIS_COMMIT_RANGE !(docs) | flake8 --diff --exclude tests/cloudformation;
+      else git fetch -q origin master:origin/master && git diff origin/master... !(docs) | flake8 --diff --exclude tests/cloudformation
     fi
 
   # Then run the tests