diff --git a/frontend/src/app/services/lighthouse.service.ts b/frontend/src/app/services/lighthouse.service.ts
index eac87c3c..3344e3bb 100644
--- a/frontend/src/app/services/lighthouse.service.ts
+++ b/frontend/src/app/services/lighthouse.service.ts
@@ -47,7 +47,7 @@ export class LighthouseService {
     const authorizationUrl = new URL(lighthouseSource.authorization_endpoint);
     authorizationUrl.searchParams.set('redirect_uri', lighthouseSource.redirect_uri);
     authorizationUrl.searchParams.set('response_type', lighthouseSource.response_types_supported[0]);
-    authorizationUrl.searchParams.set('response_mode', 'fragment');
+    authorizationUrl.searchParams.set('response_mode', lighthouseSource.response_modes_supported[0]);
     authorizationUrl.searchParams.set('state', state);
     authorizationUrl.searchParams.set('client_id', lighthouseSource.client_id);
     if(lighthouseSource.scopes_supported && lighthouseSource.scopes_supported.length){
diff --git a/frontend/src/lib/models/lighthouse/lighthouse-source-metadata.ts b/frontend/src/lib/models/lighthouse/lighthouse-source-metadata.ts
index 36a36b2d..51e4c7a6 100644
--- a/frontend/src/lib/models/lighthouse/lighthouse-source-metadata.ts
+++ b/frontend/src/lib/models/lighthouse/lighthouse-source-metadata.ts
@@ -8,6 +8,7 @@ export class LighthouseSourceMetadata {
   issuer: string
   grant_types_supported: string[]
   response_types_supported: string[]
+  response_modes_supported: string[]
   aud: string
   code_challenge_methods_supported: string[]