diff --git a/CHANGELOG b/CHANGELOG
index f5a53747881cf135b6e7d6e80bc0825a3565d1b3..ea325d4892abc50587a2418fc017b727ea8c4a88 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -3,6 +3,7 @@ Please view this file on the master branch, on stable branches it's out of date.
 v 7.10.0 (unreleased)
   - Fix "Import projects from" button to show the correct instructions (Stan Hu)
   - Fix dots in Wiki slugs causing errors (Stan Hu)
+  - Fix OAuth2 issue importing a new project from GitHub and GitLab (Stan Hu)
   - Update poltergeist to version 1.6.0 to support PhantomJS 2.0 (Zeger-Jan van de Weg)
   - Fix cross references when usernames, milestones, or project names contain underscores (Stan Hu)
   - Disable reference creation for comments surrounded by code/preformatted blocks (Stan Hu)
diff --git a/lib/gitlab/bitbucket_import/client.rb b/lib/gitlab/bitbucket_import/client.rb
index 1e4906c9e31785d9929cad0453b3a312e07d8601..5b1952b9675f126671b0d85db88e149e13b52f54 100644
--- a/lib/gitlab/bitbucket_import/client.rb
+++ b/lib/gitlab/bitbucket_import/client.rb
@@ -62,7 +62,7 @@ module Gitlab
       end
 
       def find_deploy_key(project_identifier, key)
-        JSON.parse(api.get("/api/1.0/repositories/#{project_identifier}/deploy-keys").body).find do |deploy_key| 
+        JSON.parse(api.get("/api/1.0/repositories/#{project_identifier}/deploy-keys").body).find do |deploy_key|
           deploy_key["key"].chomp == key.chomp
         end
       end
@@ -92,7 +92,7 @@ module Gitlab
       end
 
       def bitbucket_options
-        OmniAuth::Strategies::Bitbucket.default_options[:client_options].dup
+        OmniAuth::Strategies::Bitbucket.default_options[:client_options].symbolize_keys
       end
     end
   end
diff --git a/lib/gitlab/github_import/client.rb b/lib/gitlab/github_import/client.rb
index 7fe076b333b6c109bdb46af8c4bb082629f70fc4..270cbcd9ccd92b9ec35da9d90ec688b81f05b983 100644
--- a/lib/gitlab/github_import/client.rb
+++ b/lib/gitlab/github_import/client.rb
@@ -46,7 +46,7 @@ module Gitlab
       end
 
       def github_options
-        OmniAuth::Strategies::GitHub.default_options[:client_options].dup
+        OmniAuth::Strategies::GitHub.default_options[:client_options].symbolize_keys
       end
     end
   end
diff --git a/lib/gitlab/gitlab_import/client.rb b/lib/gitlab/gitlab_import/client.rb
index 2236439c6cef353e2fd2b83a5fe6d9b028a3d6ff..f48ede9d06795fb87f12eb128b2c5af783ec60e3 100644
--- a/lib/gitlab/gitlab_import/client.rb
+++ b/lib/gitlab/gitlab_import/client.rb
@@ -71,7 +71,7 @@ module Gitlab
       end
 
       def gitlab_options
-        OmniAuth::Strategies::GitLab.default_options[:client_options].dup
+        OmniAuth::Strategies::GitLab.default_options[:client_options].symbolize_keys
       end
     end
   end
diff --git a/spec/lib/gitlab/bitbucket_import/client_spec.rb b/spec/lib/gitlab/bitbucket_import/client_spec.rb
new file mode 100644
index 0000000000000000000000000000000000000000..dd450e9967b338f0b0ffb2929fb1afd1749272c2
--- /dev/null
+++ b/spec/lib/gitlab/bitbucket_import/client_spec.rb
@@ -0,0 +1,17 @@
+require 'spec_helper'
+
+describe Gitlab::BitbucketImport::Client do
+  let(:token) { '123456' }
+  let(:secret) { 'secret' }
+  let(:client) { Gitlab::BitbucketImport::Client.new(token, secret) }
+
+  before do
+    Gitlab.config.omniauth.providers << OpenStruct.new(app_id: "asd123", app_secret: "asd123", name: "bitbucket")
+  end
+
+  it 'all OAuth client options are symbols' do
+    client.consumer.options.keys.each do |key|
+      expect(key).to be_kind_of(Symbol)
+    end
+  end
+end
diff --git a/spec/lib/gitlab/github_import/client_spec.rb b/spec/lib/gitlab/github_import/client_spec.rb
new file mode 100644
index 0000000000000000000000000000000000000000..26618120316ace4d5aef3ddf6eab3f5b7d546a21
--- /dev/null
+++ b/spec/lib/gitlab/github_import/client_spec.rb
@@ -0,0 +1,16 @@
+require 'spec_helper'
+
+describe Gitlab::GithubImport::Client do
+  let(:token) { '123456' }
+  let(:client) { Gitlab::GithubImport::Client.new(token) }
+
+  before do
+    Gitlab.config.omniauth.providers << OpenStruct.new(app_id: "asd123", app_secret: "asd123", name: "github")
+  end
+
+  it 'all OAuth2 client options are symbols' do
+    client.client.options.keys.each do |key|
+      expect(key).to be_kind_of(Symbol)
+    end
+  end
+end
diff --git a/spec/lib/gitlab/gitlab_import/client_spec.rb b/spec/lib/gitlab/gitlab_import/client_spec.rb
new file mode 100644
index 0000000000000000000000000000000000000000..c511c51547409ac98519b97c4b4de59159c4d139
--- /dev/null
+++ b/spec/lib/gitlab/gitlab_import/client_spec.rb
@@ -0,0 +1,16 @@
+require 'spec_helper'
+
+describe Gitlab::GitlabImport::Client do
+  let(:token) { '123456' }
+  let(:client) { Gitlab::GitlabImport::Client.new(token) }
+
+  before do
+    Gitlab.config.omniauth.providers << OpenStruct.new(app_id: "asd123", app_secret: "asd123", name: "gitlab")
+  end
+
+  it 'all OAuth2 client options are symbols' do
+    client.client.options.keys.each do |key|
+      expect(key).to be_kind_of(Symbol)
+    end
+  end
+end