diff --git a/middleman-core/lib/middleman-core/templates/empty/Gemfile.tt b/middleman-core/lib/middleman-core/templates/empty/Gemfile.tt
index 2dadbf76..f78d3f5b 100644
--- a/middleman-core/lib/middleman-core/templates/empty/Gemfile.tt
+++ b/middleman-core/lib/middleman-core/templates/empty/Gemfile.tt
@@ -2,6 +2,9 @@ source 'https://rubygems.org'
 
 gem "middleman", "~><%= Middleman::VERSION %>"
 
+# For faster file watcher updates on Windows:
+gem "wdm", "~> 0.1.0", :platforms => [:mswin, :mingw]
+
 # Cross-templating language block fix for Ruby 1.8
 platforms :mri_18 do
   gem "ruby18_source_location"
diff --git a/middleman-core/lib/middleman-core/templates/shared/Gemfile.tt b/middleman-core/lib/middleman-core/templates/shared/Gemfile.tt
index 35f99031..39cb9cb8 100644
--- a/middleman-core/lib/middleman-core/templates/shared/Gemfile.tt
+++ b/middleman-core/lib/middleman-core/templates/shared/Gemfile.tt
@@ -7,8 +7,8 @@ gem "middleman", "~><%= Middleman::VERSION %>"
 # Live-reloading plugin
 gem "middleman-livereload", "~> 3.1.0"
 
-# For faster file watcher updates:
-# gem "wdm", "~> 0.1.0") # Windows
+# For faster file watcher updates on Windows:
+gem "wdm", "~> 0.1.0", :platforms => [:mswin, :mingw]
 
 # Cross-templating language block fix for Ruby 1.8
 platforms :mri_18 do