diff --git a/accounts/models.py b/accounts/models.py
index da9f3c4..75e0254 100644
--- a/accounts/models.py
+++ b/accounts/models.py
@@ -1,5 +1,19 @@
+import os
+from django.conf import settings
 from django.db import models
 from django.contrib.auth.models import AbstractUser
+from django.core.files.storage import FileSystemStorage
+
+
+def profile_img_upload_to(instance, filename):
+    return f"profile_img/{instance.id}.jpg"
+
+
+class OverwriteStorage(FileSystemStorage):
+    def get_aavailable_name(self, name):
+        if self.exists(name):
+            os.remove(os.path.join(settings.MEDIA_ROOT, name))
+        return name
 
 
 class User(AbstractUser):
@@ -13,7 +27,9 @@ class User(AbstractUser):
     )
 
     profile_img = models.ImageField(
-        default="default_profile_img.jpg", upload_to="profile_img/"
+        default="default_profile_img.jpg",
+        upload_to=profile_img_upload_to,
+        storage=OverwriteStorage(),
     )
 
     reliability = models.SmallIntegerField(default=80)
diff --git a/accounts/serializers.py b/accounts/serializers.py
index b9fef82..73e0218 100644
--- a/accounts/serializers.py
+++ b/accounts/serializers.py
@@ -52,3 +52,6 @@ class Meta:
 
     def get_friend_count(self, obj):
         return Friend.objects.filter(user=obj).count()
+
+    def update(self, instance, validated_data):
+        return super().update(instance, validated_data)
diff --git a/friends/views.py b/friends/views.py
index 492d333..7a4cafb 100644
--- a/friends/views.py
+++ b/friends/views.py
@@ -55,7 +55,7 @@ def friend_restaurant_list(request, pk):
                 {
                     "message": "Friend evaluated successfully",
                     "reliability": friend.reliability,
-                    "is_Evaluated": Friend.objects.get(
+                    "is_evaluated": Friend.objects.get(
                         user=request.user, friend=friend
                     ).is_evaluated,
                 },