diff --git a/nvm.sh b/nvm.sh
index 05dccae..10b153a 100755
--- a/nvm.sh
+++ b/nvm.sh
@@ -352,7 +352,7 @@ nvm()
       fi
     ;;
     "use" )
-      if [ $# -ne 2 ]; then
+      if [ $# -eq 0 ]; then
         nvm help
         return
       fi