diff --git a/frontend/src/pages/RoleManagement.vue b/frontend/src/pages/RoleManagement.vue
index 8d5ef20..9d3e7b8 100644
--- a/frontend/src/pages/RoleManagement.vue
+++ b/frontend/src/pages/RoleManagement.vue
@@ -62,7 +62,7 @@
             </q-th>
           </template>
 
-          <template v-slot:body-cell-actions="p">
+          <template v-if="selected && selected.id > 0" v-slot:body-cell-actions="p">
             <q-td auto-width :props="p">
               <table-action-menu :row="p.row" minWidth="180px" max-width="200px" :actions="actionList" />
             </q-td>
diff --git a/frontend/src/stores/useUserStore.ts b/frontend/src/stores/useUserStore.ts
index caae1dd..786a3d2 100644
--- a/frontend/src/stores/useUserStore.ts
+++ b/frontend/src/stores/useUserStore.ts
@@ -80,17 +80,17 @@ export const useUserStore = defineStore('user', {
     },
 
     async addRole(user: IUserRolesDisplay, role: IRolesDisplay) {
-      return await this.updateUserRole(user, user.roleIds.concat(role.id));
+      return await this.updateUserRole(user, user.roleIds ? user.roleIds.concat(role.id) : [role.id]);
     },
 
     async removeRole(user: IUserRolesDisplay, role: IRolesDisplay) {
-      return await this.updateUserRole(user, user.roleIds.filter(e => e !== role.id));
+      return await this.updateUserRole(user, user.roleIds ? user.roleIds.filter(e => e !== role.id) : []);
     },
 
-    async updateUserRole(user: IUserRolesDisplay, roleIds: number[]) {
+    async updateUserRole(user: IUserRolesDisplay, roleids: number[]) {
       return await api.post('api/v1/userrole', {
         userid: user.id,
-        roleIds
+        roleids
       });
     },