diff --git a/.travis.yml b/.travis.yml
index 3d620e5604..3db6ab6fc7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -55,3 +55,5 @@ matrix:
       script:
         - ./build_tools.sh
         - make -j2 compare_ruby_de
+  allow_failures:
+    - env: _="Formatting"
diff --git a/.travis/check-git-clang-format-output.sh b/.travis/check-git-clang-format-output.sh
index e6acf8ceda..c53efa726a 100755
--- a/.travis/check-git-clang-format-output.sh
+++ b/.travis/check-git-clang-format-output.sh
@@ -17,5 +17,5 @@ if [ "$output" == "no modified files to format" ] || [ "$output" == "clang-forma
 else
     echo "clang-format failed:"
     echo "$output" | colordiff
-    exit 0
+    exit 1
 fi