diff --git a/config/config.example.yml b/config/config.example.yml
index 09286a9..1ab3407 100644
--- a/config/config.example.yml
+++ b/config/config.example.yml
@@ -39,6 +39,13 @@ user_has_username: false
 # but you want to leave a short comment.
 allow_comments_with_issue_tracker: true
 
+# Enable Gravatar.
+use_gravatar: false
+# Default Gravatar size.
+gravatar_size: 40
+# Default Gravatar image, can be: mm, identicon, monsterid, wavatar, retro.
+gravatar_default: identicon
+
 # Setup your deploy options for capistrano.
 deployment:
   hosts:
diff --git a/config/initializers/_load_config.rb b/config/initializers/_load_config.rb
index 30eedcc..1fca55e 100644
--- a/config/initializers/_load_config.rb
+++ b/config/initializers/_load_config.rb
@@ -14,6 +14,10 @@ unless defined?(Errbit::Config)
     Errbit::Config.user_has_username = ENV['ERRBIT_USER_HAS_USERNAME']
     Errbit::Config.allow_comments_with_issue_tracker = ENV['ERRBIT_ALLOW_COMMENTS_WITH_ISSUE_TRACKER']
 
+    Errbit::Config.use_gravatar = ENV['ERRBIT_USE_GRAVATAR']
+    Errbit::Config.gravatar_size = ENV['ERRBIT_GRAVATAR_SIZE']
+    Errbit::Config.gravatar_default = ENV['ERRBIT_GRAVATAR_DEFAULT']
+
     Errbit::Config.github_authentication = ENV['GITHUB_AUTHENTICATION']
     Errbit::Config.github_client_id = ENV['GITHUB_CLIENT_ID']
     Errbit::Config.github_secret = ENV['GITHUB_SECRET']
--
libgit2 0.21.2