diff --git a/.travis.yml b/.travis.yml
index eecbf5a..45b0582 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,7 +8,7 @@ install:
     - go get -v .
     - go get -v github.com/golang/lint/golint
 script:
-    - diff <(gofmt -d .) <("")
+    - diff <(gofmt -d .) <(echo -n)
     - go vet -x ./...
     - golint -set_exit_status ./...
     - go test -v -race ./...