diff --git a/.travis.yml b/.travis.yml
index 6b3991b..59520c9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,7 +4,7 @@ dist: bionic
 #   https://snapcraft.io/hugo
 before_install:
   - sudo apt-get update
-  - sudo apt-get ruby
+  - sudo apt-get install ruby
   - sudo apt-get install hugo
 script:
   - asciidoctor --version