diff --git a/app/controllers/user.js b/app/controllers/user.js
index c5cda71..5edf028 100644
--- a/app/controllers/user.js
+++ b/app/controllers/user.js
@@ -33,12 +33,12 @@ class UserController extends SiteController {
     const otpSetup = otpAuthService.middleware('Account', {
       adminRequired: false,
       otpRequired: true,
-      otpRedirectURL: async (req) => { return `/user/${req.user._id}`; },
+      otpRedirectURL: async (req) => { return `/user/${req.user.username}`; },
     });
     const otpMiddleware = otpAuthService.middleware('Account', {
       adminRequired: false,
       otpRequired: false,
-      otpRedirectURL: async (req) => { return `/user/${req.user._id}`; },
+      otpRedirectURL: async (req) => { return `/user/${req.user.username}`; },
     });
 
     router.use(
@@ -203,7 +203,7 @@ class UserController extends SiteController {
         if (error) {
           return next(error);
         }
-        res.redirect(`/user/${res.locals.user._id}`);
+        res.redirect(`/user/${res.locals.user.username}`);
       });
     } catch (error) {
       this.log.error('failed to create new user', { error });
diff --git a/app/views/components/library.pug b/app/views/components/library.pug
index b9ef8b9..9424f97 100644
--- a/app/views/components/library.pug
+++ b/app/views/components/library.pug
@@ -40,9 +40,9 @@ include section-title
 
   function getUserProfileUrl (user) {
     if (user.core) {
-      return `/user/core/${user._id}`;
+      return `/user/core/${user.username}`;
     }
-    return `/user/${user._id}`;
+    return `/user/${user.username}`;
   }
 
 mixin renderCell (label, value, className)
@@ -60,6 +60,6 @@ mixin renderBackButton (options)
 
 mixin renderUserLink (user)
   if user.coreUserId
-    a(href=`/user/core/${user._id}`)= `${user.username}@${user.core.meta.domainKey}`
+    a(href=`/user/core/${user.username}`)= `${user.username}@${user.core.meta.domainKey}`
   else
-    a(href=`/user/${user._id}`)= user.displayName || user.username
\ No newline at end of file
+    a(href=`/user/${user.username}`)= user.displayName || user.username
\ No newline at end of file
diff --git a/app/views/components/navbar.pug b/app/views/components/navbar.pug
index 9b86622..3b0025b 100644
--- a/app/views/components/navbar.pug
+++ b/app/views/components/navbar.pug
@@ -47,7 +47,7 @@ nav(uk-navbar).uk-navbar-container.uk-position-fixed.uk-position-top
             li.uk-nav-heading.uk-text-center= user.displayName || user.username
             li.uk-nav-divider
             li
-              a(href= user.core ? `/user/core/${user._id}` : `/user/${user._id}`)
+              a(href= user.core ? `/user/core/${user.username}` : `/user/${user.username}`)
                 span.nav-item-icon
                   i.fas.fa-user
                 span Profile
diff --git a/app/views/components/off-canvas.pug b/app/views/components/off-canvas.pug
index acd1a62..f20c996 100644
--- a/app/views/components/off-canvas.pug
+++ b/app/views/components/off-canvas.pug
@@ -40,7 +40,7 @@ mixin renderMenuItem (iconClass, label)
               .uk-width-expand Chat
 
         li(class={ "uk-active": (currentView === 'user-settings') })
-          a(href=`/user/${user._id}`).uk-display-block
+          a(href=`/user/${user.username}`).uk-display-block
             div(uk-grid).uk-grid-collapse
               .uk-width-auto
                 .app-menu-icon