diff --git a/circle.yml b/circle.yml
index 695a61395..93d250722 100644
--- a/circle.yml
+++ b/circle.yml
@@ -8,4 +8,6 @@ jobs:
     steps:
       - checkout
       - run: go get github.com/golang/lint/golint
-      - run: cd $GOPATH/src/github.com/moby/tool && make test
\ No newline at end of file
+      - run: cd $GOPATH/src/github.com/moby/tool && make test
+      - run: cd $GOPATH/src/github.com/moby/tool && make clean && make GOOS=darwin
+      - run: cd $GOPATH/src/github.com/moby/tool && make clean && make GOOS=windows