diff --git a/deploy-board/deploy_board/templates/configs/new_capacity_adv.html b/deploy-board/deploy_board/templates/configs/new_capacity_adv.html
index df4226d1ce..0f13a8d25b 100644
--- a/deploy-board/deploy_board/templates/configs/new_capacity_adv.html
+++ b/deploy-board/deploy_board/templates/configs/new_capacity_adv.html
@@ -560,9 +560,9 @@ <h4 class="panel-title pull-left">Capacity</h4>
                 globalNotificationBanner.error = "Replacement timeout must be a number between 5 and 1440 minutes (24 hours)";
                 return false;
             }
-            var access_role = clusterInfo.configs['access_role'].trim();
-            if (!access_role) {
-                globalNotificationBanner.error = "Access Role must be specified";
+            var access_role = clusterInfo.configs['access_role'] ?? '';
+            if (access_role.trim().length === 0) {
+                globalNotificationBanner.error = "Access Role must be specified and cannot be empty";
                 return false;
             }
 
@@ -644,7 +644,8 @@ <h4 class="panel-title pull-left">Capacity</h4>
             }
 
             let accessRoleObj = this.allUserData.find(({name}) => name === "access_role");
-            clusterInfo.configs['access_role'] = accessRoleObj.value;
+            clusterInfo.configs['access_role'] = accessRoleObj?.value;
+
             if (this.validateInput(clusterInfo)) {
                 //Send request
                 this.sendRequest(clusterInfo);