diff --git a/lib/omniauth/strategies/auth0.rb b/lib/omniauth/strategies/auth0.rb
index c890c17..5e7ee3b 100644
--- a/lib/omniauth/strategies/auth0.rb
+++ b/lib/omniauth/strategies/auth0.rb
@@ -86,7 +86,7 @@ def client
       def authorize_params
         params = super
         parsed_query = Rack::Utils.parse_query(request.query_string)
-        %w[connection prompt].each do |key|
+        %w[connection connection_scope prompt].each do |key|
           params[key] = parsed_query[key] if parsed_query.key?(key)
         end
 
@@ -94,7 +94,7 @@ def authorize_params
         params[:nonce] = SecureRandom.hex
         # Generate leeway if none exists
         params[:leeway] = 60 unless params[:leeway]
-        
+
         # Store authorize params in the session for token verification
         session['authorize_params'] = params
 
diff --git a/spec/omniauth/strategies/auth0_spec.rb b/spec/omniauth/strategies/auth0_spec.rb
index bd26406..57a12c0 100644
--- a/spec/omniauth/strategies/auth0_spec.rb
+++ b/spec/omniauth/strategies/auth0_spec.rb
@@ -100,6 +100,15 @@
       expect(redirect_url).not_to have_query('prompt')
     end
 
+    it 'redirects to the hosted login page with connection_scope' do
+      get 'auth/auth0?connection_scope=identity_provider_scope'
+      expect(last_response.status).to eq(302)
+      redirect_url = last_response.headers['Location']
+      expect(redirect_url).to start_with('https://samples.auth0.com/authorize')
+      expect(redirect_url)
+        .to have_query('connection_scope', 'identity_provider_scope')
+    end
+
     it 'redirects to hosted login page with prompt=login' do
       get 'auth/auth0?prompt=login'
       expect(last_response.status).to eq(302)