diff --git a/.travis.yml b/.travis.yml
index 91c4f1e..359b325 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,7 +6,7 @@ cache:
     - node_modules
 install:
   - npm install -g serverless
-  - npm -i g apidoc
+  - npm install -g apidoc
   - npm install
 jobs:
   include: