diff --git a/.travis.yml b/.travis.yml
index ad18544..2369f99 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,4 +13,4 @@ install:
   - go get golang.org/x/tools/cmd/cover
 script:
     - env GO111MODULE=on go test -covermode=count -coverprofile=coverage.out -v ./...
-    - $HOME/gopath/bin/goveralls -coverprofile=coverage.out -service=travis-ci -repotoken $COVERALLS_TOKEN
+    - env GO111MODULE=on $HOME/gopath/bin/goveralls -coverprofile=coverage.out -service=travis-ci -repotoken $COVERALLS_TOKEN