diff --git a/.travis.yml b/.travis.yml
index 5e9d7f8cb..3c0279e9f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -28,6 +28,7 @@ install:
   - go get github.com/mattn/goveralls
   - go get github.com/mitchellh/gox
   - go version | grep -q "go1\.3" && export GOX_ARCH="386 amd64" || true
+  - go version | grep -q "darwin" && export GOX_OS="darwin" || true
   - echo "cross-compile for \"$GOX_OS\" on \"$GOX_ARCH\""
   - gox -build-toolchain -os "$GOX_OS" -arch "$GOX_ARCH"