diff --git a/Gemfile.lock b/Gemfile.lock
index b6c870f46..cd3bc1cce 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -46,7 +46,7 @@ GIT
 
 GIT
   remote: git://github.com/zhitomirskiyi/devise_invitable.git
-  revision: a52f9638f900c1af77855ec357a0c861fbb12e83
+  revision: 5f74da32a81a2332bac266316dab333a4eed9525
   specs:
     devise_invitable (0.4.rc)
       devise (~> 1.2.rc)
@@ -128,7 +128,7 @@ GEM
       uuidtools
     childprocess (0.1.6)
       ffi (~> 0.6.3)
-    closure-compiler (0.3.3)
+    closure-compiler (1.0.0)
     cloudfiles (1.4.10)
       mime-types (>= 1.16)
     columnize (0.3.2)
@@ -142,7 +142,7 @@ GEM
       term-ansicolor (~> 1.0.5)
     cucumber-rails (0.3.2)
       cucumber (>= 0.8.0)
-    culerity (0.2.14)
+    culerity (0.2.15)
     daemons (1.1.0)
     database_cleaner (0.6.0)
     devise (1.2.rc)
@@ -153,7 +153,7 @@ GEM
     erubis (2.6.6)
       abstract (>= 1.0.0)
     eventmachine (0.12.10)
-    excon (0.3.4)
+    excon (0.4.0)
     extlib (0.9.15)
     factory_girl (1.3.3)
     factory_girl_rails (1.0.1)
@@ -193,12 +193,12 @@ GEM
       closure-compiler (>= 0.1.0)
       yui-compressor (>= 0.9.1)
     json (1.4.6)
-    json_pure (1.4.6)
+    json_pure (1.5.1)
     launchy (0.3.7)
       configuration (>= 0.0.5)
       rake (>= 0.8.1)
     linecache (0.43)
-    mail (2.2.14)
+    mail (2.2.15)
       activesupport (>= 2.3.6)
       i18n (>= 0.4.0)
       mime-types (~> 1.16)
@@ -222,7 +222,7 @@ GEM
     multipart-post (1.1.0)
     mysql2 (0.2.6)
     net-ldap (0.1.1)
-    net-ssh (2.0.23)
+    net-ssh (2.0.24)
     nokogiri (1.4.3.1)
     oa-basic (0.1.6)
       multi_json (~> 0.0.2)
@@ -306,7 +306,7 @@ GEM
     rspec-core (2.4.0)
     rspec-expectations (2.4.0)
       diff-lcs (~> 1.1.2)
-    rspec-instafail (0.1.5)
+    rspec-instafail (0.1.6)
     rspec-mocks (2.4.0)
     rspec-rails (2.4.1)
       actionpack (~> 3.0)
@@ -344,7 +344,7 @@ GEM
       eventmachine (>= 0.12.6)
       rack (>= 1.0.0)
     thor (0.14.6)
-    tilt (1.2.1)
+    tilt (1.2.2)
     treetop (1.4.9)
       polyglot (>= 0.3.1)
     tzinfo (0.3.24)
@@ -357,8 +357,8 @@ GEM
       addressable (>= 2.2.2)
       crack (>= 0.1.7)
     will_paginate (3.0.pre2)
-    xml-simple (1.0.12)
-    yui-compressor (0.9.1)
+    xml-simple (1.0.13)
+    yui-compressor (0.9.3)
 
 PLATFORMS
   ruby
diff --git a/app/models/invitation.rb b/app/models/invitation.rb
index 134cb28cf..4e6d3a564 100644
--- a/app/models/invitation.rb
+++ b/app/models/invitation.rb
@@ -71,6 +71,8 @@ class Invitation < ActiveRecord::Base
       opts[:from].save!
       invitee.reload
     end
+    pp opts[:service]
+    pp opts[:service] == 'email'
     invitee.invite!(:email => (opts[:service] == 'email'))
     Rails.logger.info("event=invitation_sent to=#{opts[:identifier]} #{"inviter=#{opts[:from].diaspora_handle}" if opts[:from]}")
     invitee
diff --git a/spec/models/invitation_spec.rb b/spec/models/invitation_spec.rb
index 5d0927a8f..b7aa1b6e3 100644
--- a/spec/models/invitation_spec.rb
+++ b/spec/models/invitation_spec.rb
@@ -239,6 +239,7 @@ describe Invitation do
 
       it 'mails the optional message' do
         new_user = Invitation.create_invitee(@valid_params)
+        pp Devise.mailer.deliveries
         Devise.mailer.deliveries.first.to_s.include?(@message).should be_true
       end
 
@@ -252,6 +253,12 @@ describe Invitation do
          new_user.should_not be_persisted
          new_user.should have(1).error_on(:email)
       end
+
+      it 'does not save a user with an empty string email' do
+        @valid_params[:service] = 'facebook'
+        @valid_params[:identifier] = '3423423'
+        Invitation.create_invitee(@valid_params).email.should_not == ''
+      end
     end
 
     context 'with no inviter' do