diff --git a/packages/amplify-frontend-android/lib/frontend-config-creator.js b/packages/amplify-frontend-android/lib/frontend-config-creator.js
index 00f398c5cd2..dc224998f76 100644
--- a/packages/amplify-frontend-android/lib/frontend-config-creator.js
+++ b/packages/amplify-frontend-android/lib/frontend-config-creator.js
@@ -264,7 +264,7 @@ function getCognitoConfig(cognitoResources, projectRegion) {
     };
   }
 
-  Object.assign(cognitoConfig, cognitoResource.frontEndConfig);
+  Object.assign(cognitoConfig.Auth.Default, cognitoResource.frontEndConfig);
 
   return cognitoConfig;
 }
diff --git a/packages/amplify-frontend-flutter/lib/frontend-config-creator.js b/packages/amplify-frontend-flutter/lib/frontend-config-creator.js
index 331eab6348f..e28c2b735d5 100644
--- a/packages/amplify-frontend-flutter/lib/frontend-config-creator.js
+++ b/packages/amplify-frontend-flutter/lib/frontend-config-creator.js
@@ -241,7 +241,7 @@ function getCognitoConfig(cognitoResources, projectRegion) {
     };
   }
 
-  Object.assign(cognitoConfig, cognitoResource.frontEndConfig);
+  Object.assign(cognitoConfig.Auth.Default, cognitoResource.frontEndConfig);
 
   return cognitoConfig;
 }
diff --git a/packages/amplify-frontend-ios/lib/frontend-config-creator.js b/packages/amplify-frontend-ios/lib/frontend-config-creator.js
index f070e4d7975..ff54a3174ce 100644
--- a/packages/amplify-frontend-ios/lib/frontend-config-creator.js
+++ b/packages/amplify-frontend-ios/lib/frontend-config-creator.js
@@ -246,7 +246,7 @@ function getCognitoConfig(cognitoResources, projectRegion) {
     };
   }
 
-  Object.assign(cognitoConfig, cognitoResource.frontEndConfig);
+  Object.assign(cognitoConfig.Auth.Default, cognitoResource.frontEndConfig);
 
   return cognitoConfig;
 }