diff --git a/frontend/src/layouts/AppLayout/AppLayout.tsx b/frontend/src/layouts/AppLayout/AppLayout.tsx
index 8957f6d91..7dd017e5e 100644
--- a/frontend/src/layouts/AppLayout/AppLayout.tsx
+++ b/frontend/src/layouts/AppLayout/AppLayout.tsx
@@ -234,8 +234,8 @@ export const AppLayout = ({ children }: LayoutProps) => {
 
         await addUsersToProject.mutateAsync({
           emails: orgUsers
-            .map((member) => member.user.email)
-            .filter((email) => email !== user.email),
+            .map((member) => member.user.username)
+            .filter((username) => username !== user.username),
           projectId: newProjectId
         });
       }
diff --git a/frontend/src/pages/org/[id]/overview/index.tsx b/frontend/src/pages/org/[id]/overview/index.tsx
index 8a703b3dc..152e6d6f6 100644
--- a/frontend/src/pages/org/[id]/overview/index.tsx
+++ b/frontend/src/pages/org/[id]/overview/index.tsx
@@ -514,8 +514,8 @@ const OrganizationPage = withPermission(
 
           await addUsersToProject.mutateAsync({
             emails: orgUsers
-              .map((member) => member.user.email)
-              .filter((email) => email !== user.email),
+              .map((member) => member.user.username)
+              .filter((username) => username !== user.username),
             projectId: newProjectId
           });
         }