diff --git a/frontend/src/views/DiaryView.vue b/frontend/src/views/DiaryView.vue
index e89975b..de177f1 100644
--- a/frontend/src/views/DiaryView.vue
+++ b/frontend/src/views/DiaryView.vue
@@ -641,11 +641,11 @@ export default {
         },
         sortedMembers() {
             return this.members.sort((a, b) => {
-                const lastNameComparison = a.lastName.localeCompare(b.lastName);
-                if (lastNameComparison === 0) {
-                    return a.firstName.localeCompare(b.firstName);
+                const firstNameComparison = a.firstName.localeCompare(b.firstName);
+                if (firstNameComparison === 0) {
+                    return a.lastName.localeCompare(b.lastName);
                 }
-                return lastNameComparison;
+                return firstNameComparison;
             });
         }
     },