diff --git a/portal/login.html b/portal/login.html
index 9f785a0..94af0a2 100644
--- a/portal/login.html
+++ b/portal/login.html
@@ -507,6 +507,8 @@
 
             localStorage.setItem('payfrit_portal_token', token);
             localStorage.setItem('payfrit_portal_userid', userId);
+            const firstName = data.FIRSTNAME || data.FirstName || '';
+            if (firstName) localStorage.setItem('payfrit_portal_firstname', firstName);
 
             await this.loadBusinesses();
 
@@ -629,6 +631,8 @@
 
             localStorage.setItem('payfrit_portal_token', token);
             localStorage.setItem('payfrit_portal_userid', userId);
+            const firstName = data.FirstName || data.FIRSTNAME || '';
+            if (firstName) localStorage.setItem('payfrit_portal_firstname', firstName);
 
             await this.loadBusinesses();
 
@@ -760,6 +764,7 @@
         localStorage.removeItem('payfrit_portal_token');
         localStorage.removeItem('payfrit_portal_userid');
         localStorage.removeItem('payfrit_portal_business');
+        localStorage.removeItem('payfrit_portal_firstname');
         window.location.href = BASE_PATH + '/portal/login.html';
       }
     };
diff --git a/portal/portal.js b/portal/portal.js
index 665a09e..8045ae2 100644
--- a/portal/portal.js
+++ b/portal/portal.js
@@ -113,18 +113,18 @@ const Portal = {
         this.businessData = biz; // Store for later use
         document.getElementById('businessName').textContent = biz.Name || 'Business';
         document.getElementById('businessAvatar').textContent = (biz.Name || 'B').charAt(0).toUpperCase();
-        document.getElementById('userAvatar').textContent = 'U';
+        document.getElementById('userAvatar').textContent = (localStorage.getItem('payfrit_portal_firstname') || 'U').charAt(0).toUpperCase();
       } else {
         this.businessData = null;
         document.getElementById('businessName').textContent = 'Business #' + this.config.businessId;
         document.getElementById('businessAvatar').textContent = 'B';
-        document.getElementById('userAvatar').textContent = 'U';
+        document.getElementById('userAvatar').textContent = (localStorage.getItem('payfrit_portal_firstname') || 'U').charAt(0).toUpperCase();
       }
     } catch (err) {
       console.error('[Portal] Business info error:', err);
       document.getElementById('businessName').textContent = 'Business #' + this.config.businessId;
       document.getElementById('businessAvatar').textContent = 'B';
-      document.getElementById('userAvatar').textContent = 'U';
+      document.getElementById('userAvatar').textContent = (localStorage.getItem('payfrit_portal_firstname') || 'U').charAt(0).toUpperCase();
     }
   },
 
@@ -151,6 +151,7 @@ const Portal = {
     localStorage.removeItem('payfrit_portal_token');
     localStorage.removeItem('payfrit_portal_userid');
     localStorage.removeItem('payfrit_portal_business');
+    localStorage.removeItem('payfrit_portal_firstname');
     window.location.href = BASE_PATH + '/portal/login.html';
   },