diff --git a/config/initializers/devise.rb b/config/initializers/devise.rb
index a76c7bb..fe43630 100644
--- a/config/initializers/devise.rb
+++ b/config/initializers/devise.rb
@@ -242,6 +242,16 @@
   # up on your models and hooks.
   # config.omniauth :github, 'APP_ID', 'APP_SECRET', scope: 'user,public_repo'
 
+  ActiveSupport.on_load(:active_record) do
+    IdentifierScheme.all.each do |scheme|
+      puts "Registering Omniauth Provider - #{scheme.name}"
+      config.omniauth scheme.name.downcase.to_sym,
+                      scheme.api_key ||= '',
+                      scheme.api_secret ||= '',
+                      scope: (scheme.params.empty? ? {} : JSON.parse(scheme.params))
+    end
+  end
+
   # ==> Warden configuration
   # If you want to use other strategies, that are not supported by Devise, or
   # change the failure app, you can configure them inside the config.warden block.
@@ -263,7 +273,7 @@
   #
   # When using OmniAuth, Devise cannot automatically set OmniAuth path,
   # so you need to do it manually. For the users scope, it would be:
-  # config.omniauth_path_prefix = '/my_engine/users/auth'
+  config.omniauth_path_prefix = '/my_engine/users/auth'
   
   # Configure the system to redirect to the home page after a session timeout
   config.warden do |manager|
diff --git a/config/initializers/devise.rb.example b/config/initializers/devise.rb.example
index e55980f..64493a3 100644
--- a/config/initializers/devise.rb.example
+++ b/config/initializers/devise.rb.example
@@ -251,12 +251,11 @@
   # Dynamically register the Omniauth Providers
   ActiveSupport.on_load(:active_record) do
     IdentifierScheme.all.each do |scheme|
-    
-      puts "Registering Omniauth provider: #{scheme.name}"
-      config.omniauth "#{scheme.name.downcase}".to_sym, 
-                      "#{scheme.api_key}", 
-                      "#{scheme.api_secret}", 
-                      scope: JSON.parse(scheme.params)
+      puts "Registering Omniauth Provider - #{scheme.name}"
+      config.omniauth scheme.name.downcase.to_sym,
+                      scheme.api_key ||= '',
+                      scheme.api_secret ||= '',
+                      scope: (scheme.params.empty? ? {} : JSON.parse(scheme.params))
     end
   end