diff --git a/.travis.yml b/.travis.yml
index 2add50e..f1f8d3c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,7 +14,7 @@ before_install:
     - go get github.com/mattn/goveralls
     - go get github.com/go-playground/overalls
     - if ! go get github.com/golang/tools/cmd/cover; then go get golang.org/x/tools/cmd/cover; fi
-    - echo "deb http://pl.archive.ubuntu.com/ubuntu trusty main restricted universe multiverse" | sudo tee -a /etc/apt/sources.list
+    - echo "deb http://pl.archive.ubuntu.com/ubuntu trusty main restricted universe multiverse" | sudo tee /etc/apt/sources.list
     - echo "deb http://pl.archive.ubuntu.com/ubuntu trusty-updates main restricted universe multiverse" | sudo tee -a /etc/apt/sources.list
     - echo "deb http://pl.archive.ubuntu.com/ubuntu trusty-backports main restricted universe multiverse" | sudo tee -a /etc/apt/sources.list
     - sudo apt-get update -qq