diff --git a/src/stores/user.js b/src/stores/user.js
index 3666b8f..8b43db6 100644
--- a/src/stores/user.js
+++ b/src/stores/user.js
@@ -7,45 +7,37 @@ export const useUserStore = defineStore("user", () => {
 
   const { projects } = storeToRefs(useProjectsStore());
 
-  const notifications = computed(
-    () => {
-      return projects.value.reduce((acc, project) => {
-        if (!project.notifications) return acc;
+  const notifications = computed(() => {
+    return projects.value.flatMap((project) => {
+      if (!project.notifications) return [];
 
-        const projectNotifications = project.notifications.map(
-          (notification) => {
-            const newNotification = {
-              ...notification,
-              project: project,
-              isRead: notification.readby?.includes(user.value.uuid),
-            };
-
-            return newNotification;
-          }
-        );
-
-        const userNotifications = projectNotifications.filter(
-          (notification) => notification.author.uuid !== user.value.uuid
-        );
-
-        return [...acc, ...userNotifications];
-      }, []);
-    },
-    { deep: true }
-  );
+      return project.notifications
+        .filter((notification) => notification.author.uuid !== user.value.uuid)
+        .map((notification) => ({
+          ...notification,
+          project: project,
+          isRead: notification.readby?.includes(user.value.uuid),
+        }));
+    });
+  });
 
   function readNotification(notificationId, projectSlug) {
-    projects.value = projects.value.map((project) => {
-      if (project.slug === projectSlug) {
-        project.notifications = project.notifications.map((notification) => {
-          if (notification.id === notificationId) {
-            notification.readby.push(user.value.uuid);
-          }
-          return notification;
-        });
-      }
-      return project;
-    });
+    projects.value = projects.value.map((project) => ({
+      ...project,
+      notifications:
+        project.slug === projectSlug
+          ? project.notifications.map((notification) =>
+              notification.id === notificationId
+                ? {
+                    ...notification,
+                    readby: [
+                      ...new Set([...notification.readby, user.value.uuid]),
+                    ],
+                  }
+                : notification
+            )
+          : project.notifications,
+    }));
   }
 
   function readAllNotifications(notificationId) {