1 files changed, 1 insertions, 0 deletions
diff --git a/lib/npm.js b/lib/npm.js
index c7288e2b7..b3640836a 100644
--- a/lib/npm.js
+++ b/lib/npm.js
@@ -151,6 +151,7 @@ var commandCache = {}
               ]
   , plumbing = [ "build"
                , "unbuild"
+               , "isntall"
                , "xmas"
                , "substack"
                , "visnup"