diff --git a/.travis.yml b/.travis.yml
index b6c5e51..778eda0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,7 +6,7 @@ go:
 addons:
   apt:
     sources:
-      - ubuntu-toolchain-r/test
+      - ubuntu-toolchain-r-test
     packages:
       - libstdc++6
 before_install: