diff --git a/.travis.yml b/.travis.yml
index 59ee019..2373658 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,7 +14,7 @@ matrix:
       sudo: true
       before_install:
         - wget https://dl.google.com/go/go1.12.6.linux-amd64.tar.gz
-        - sudo tar -C /usr/local -xzf $GOPACKAGE
+        - sudo tar -C /usr/local -xzf go1.12.6.linux-amd64.tar.gz
         - export GOPATH=$HOME/go
         - export GOROOT=/usr/local/go
         - export PATH=$GOROOT/bin:$GOPATH/bin:$PATH