diff --git a/lib/code0/identities/identity_provider.rb b/lib/code0/identities/identity_provider.rb
index 329ed58..3712e14 100644
--- a/lib/code0/identities/identity_provider.rb
+++ b/lib/code0/identities/identity_provider.rb
@@ -9,12 +9,12 @@ def initialize
         @providers = {}
       end
 
-      def add_provider(provider_type, config_loader)
-        add_named_provider provider_type, provider_type, config_loader
+      def add_provider(provider_type, config)
+        add_named_provider provider_type, provider_type, config
       end
 
-      def add_named_provider(provider_id, provider_type, config_loader)
-        provider = Identities::Provider.const_get(provider_type.capitalize).new(config_loader)
+      def add_named_provider(provider_id, provider_type, config)
+        provider = Identities::Provider.const_get(provider_type.capitalize).new(config)
         providers[provider_id] = provider
       end
 
diff --git a/lib/code0/identities/provider/base_oauth.rb b/lib/code0/identities/provider/base_oauth.rb
index e2681e8..347411a 100644
--- a/lib/code0/identities/provider/base_oauth.rb
+++ b/lib/code0/identities/provider/base_oauth.rb
@@ -66,6 +66,13 @@ def check_response(response)
         def create_identity(*)
           raise NotImplementedError
         end
+
+        def config
+          if config_loader.is_a?(Proc)
+            return config_loader.call
+          end
+          config_loader
+        end
       end
     end
   end
diff --git a/lib/code0/identities/provider/discord.rb b/lib/code0/identities/provider/discord.rb
index c535828..371d039 100644
--- a/lib/code0/identities/provider/discord.rb
+++ b/lib/code0/identities/provider/discord.rb
@@ -9,7 +9,6 @@ def token_url
         end
 
         def token_payload(code)
-          config = config_loader.call
           { code: code,
             grant_type: "authorization_code",
             redirect_uri: config[:redirect_uri],
@@ -22,7 +21,6 @@ def user_details_url
         end
 
         def authorization_url
-          config = config_loader.call
           "https://discord.com/oauth2/authorize?client_id=#{config[:client_id]}&response_type=code&redirect_uri=#{URI.encode_uri_component(config[:redirect_uri])}&scope=identify+openid+email"
         end
 
diff --git a/lib/code0/identities/provider/github.rb b/lib/code0/identities/provider/github.rb
index 057f165..efc97dc 100644
--- a/lib/code0/identities/provider/github.rb
+++ b/lib/code0/identities/provider/github.rb
@@ -9,7 +9,6 @@ def token_url
         end
 
         def token_payload(code)
-          config = config_loader.call
           { code: code,
             redirect_uri: config[:redirect_uri],
             client_id: config[:client_id],
@@ -21,7 +20,6 @@ def user_details_url
         end
 
         def authorization_url
-          config = config_loader.call
           "https://github.com/login/oauth/authorize?client_id=#{config[:client_id]}&redirect_uri=#{URI.encode_uri_component(config[:redirect_uri])}&scope=read:user+user:email"
         end
 
diff --git a/lib/code0/identities/provider/gitlab.rb b/lib/code0/identities/provider/gitlab.rb
index ca37920..12526e3 100644
--- a/lib/code0/identities/provider/gitlab.rb
+++ b/lib/code0/identities/provider/gitlab.rb
@@ -5,7 +5,6 @@ module Identities
     module Provider
       class Gitlab < BaseOauth
         def base_url
-          config = config_loader.call
           config[:base_url]
         end
 
@@ -14,7 +13,6 @@ def token_url
         end
 
         def token_payload(code)
-          config = config_loader.call
           { code: code,
             grant_type: "authorization_code",
             redirect_uri: config[:redirect_uri],
@@ -27,7 +25,6 @@ def user_details_url
         end
 
         def authorization_url
-          config = config_loader.call
           # rubocop:disable Layout/LineLength
           base_url + "/oauth/authorize?client_id=#{config[:client_id]}&response_type=code&redirect_uri=#{URI.encode_uri_component(config[:redirect_uri])}&scope=read_user"
           # rubocop:enable Layout/LineLength
diff --git a/lib/code0/identities/provider/google.rb b/lib/code0/identities/provider/google.rb
index 82247e7..378ab4d 100644
--- a/lib/code0/identities/provider/google.rb
+++ b/lib/code0/identities/provider/google.rb
@@ -13,7 +13,6 @@ def token_url
         end
 
         def token_payload(code)
-          config = config_loader.call
           {
             code: code,
             grant_type: "authorization_code",
@@ -28,7 +27,6 @@ def user_details_url
         end
 
         def authorization_url
-          config = config_loader.call
           # rubocop:disable Layout/LineLength
           base_url + "/o/oauth2/v2/auth?client_id=#{config[:client_id]}&response_type=code&redirect_uri=#{URI.encode_www_form_component(config[:redirect_uri])}&scope=openid%20email%20profile"
           # rubocop:enable Layout/LineLength
diff --git a/lib/code0/identities/provider/microsoft.rb b/lib/code0/identities/provider/microsoft.rb
index 348329d..fdf3466 100644
--- a/lib/code0/identities/provider/microsoft.rb
+++ b/lib/code0/identities/provider/microsoft.rb
@@ -13,7 +13,6 @@ def token_url
         end
 
         def token_payload(code)
-          config = config_loader.call
           { code: code,
             grant_type: "authorization_code",
             redirect_uri: config[:redirect_uri],
@@ -26,7 +25,6 @@ def user_details_url
         end
 
         def authorization_url
-          config = config_loader.call
           "https://login.microsoftonline.com/consumers/oauth2/v2.0/authorize?client_id=#{config[:client_id]}&response_type=code&redirect_uri=#{config[:redirect_uri]}&response_mode=query&scope=email%20profile%20openid"
         end
 
diff --git a/spec/code0/identities/identity_provider_spec.rb b/spec/code0/identities/identity_provider_spec.rb
index d92ab9b..93025e9 100644
--- a/spec/code0/identities/identity_provider_spec.rb
+++ b/spec/code0/identities/identity_provider_spec.rb
@@ -7,14 +7,14 @@
 
   describe "#add_provider" do
     it "adds the correct class" do
-      instance.add_provider :google, -> {}
+      instance.add_provider :google, {}
       expect(instance.providers).to match(google: an_instance_of(Code0::Identities::Provider::Google))
     end
   end
 
   describe "#load_identity" do
     it "calls the right provider" do
-      provider = Code0::Identities::Provider::Google.new(-> {})
+      provider = Code0::Identities::Provider::Google.new({})
       allow(provider).to receive(:load_identity)
       instance.providers[:google] = provider
       instance.load_identity(:google, { test: 1 })
diff --git a/spec/code0/identities/provider/discord_spec.rb b/spec/code0/identities/provider/discord_spec.rb
index 5a85ff9..7d84452 100644
--- a/spec/code0/identities/provider/discord_spec.rb
+++ b/spec/code0/identities/provider/discord_spec.rb
@@ -2,13 +2,11 @@
 
 RSpec.describe Code0::Identities::Provider::Discord do
   subject(:service_response) do
-    described_class.new(lambda {
-      {
+    described_class.new({
         redirect_uri: redirect_uri,
         client_id: client_id,
         client_secret: client_secret
-      }
-    }).load_identity(code: code)
+      }).load_identity(code: code)
   end
 
   let(:redirect_uri) { SecureRandom.hex }
@@ -34,7 +32,7 @@
     end
   end
 
-  context "when everything is valid" do
+  shared_examples "when everything is valid" do
     let(:access_token) { SecureRandom.hex }
     let(:response_body) { { id: 1, username: "name", email: "example@code0.tech" }.to_json }
 
@@ -65,4 +63,21 @@
       expect(service_response.email).to eq("example@code0.tech")
     end
   end
+
+  context "when config is Proc" do
+    subject(:service_response) do
+      described_class.new(-> {{
+                            redirect_uri: redirect_uri,
+                            client_id: client_id,
+                            client_secret: client_secret
+                          }}).load_identity(code: code)
+    end
+    it_behaves_like "when everything is valid"
+  end
+
+  context 'when config is a hash' do
+    it_behaves_like "when everything is valid"
+  end
+
+
 end