diff --git a/middleman-core/lib/middleman-core/preview_server.rb b/middleman-core/lib/middleman-core/preview_server.rb
index 7296712c..af6537ef 100644
--- a/middleman-core/lib/middleman-core/preview_server.rb
+++ b/middleman-core/lib/middleman-core/preview_server.rb
@@ -124,7 +124,7 @@ module Middleman
         end
 
         # Don't block this thread
-        @listener.start(false) if first_run
+        @listener.start if first_run
       end
 
       # Trap some interupt signals and shut down smoothly
diff --git a/middleman-core/lib/middleman-core/templates/shared/Gemfile.tt b/middleman-core/lib/middleman-core/templates/shared/Gemfile.tt
index 3903b586..5e377245 100644
--- a/middleman-core/lib/middleman-core/templates/shared/Gemfile.tt
+++ b/middleman-core/lib/middleman-core/templates/shared/Gemfile.tt
@@ -5,7 +5,7 @@ source 'http://rubygems.org'
 gem "middleman", "~><%= Middleman::VERSION %>"
 
 # Live-reloading plugin
-gem "middleman-livereload"
+gem "middleman-livereload", "~> 3.1.0"
 
 # For faster file watcher updates:
 # gem "rb-fsevent", "~> 0.9.3") # OS X