diff --git a/.travis.yml b/.travis.yml
index 017b291..0d0db75 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,4 +8,4 @@ services:
 before_install:
   - docker pull ubuntu:16.04
 script:
-  - docker run ubuntu:16:04
+  - docker run ubuntu:16.04