diff --git a/apps/news/serializers.py b/apps/news/serializers.py
index 846bc31a..f22c7129 100644
--- a/apps/news/serializers.py
+++ b/apps/news/serializers.py
@@ -177,13 +177,23 @@ class NewsBackOfficeBaseSerializer(NewsBaseSerializer):
             'backoffice_title': {'allow_null': False},
         }
 
-    def validate(self, attrs):
-        slugs = attrs.get('slugs', {})
-        if models.News.objects.filter(
-                slugs__values__contains=list(slugs.values())
-        ).exclude(id=attrs.get('id', 0)).exists():
-            raise serializers.ValidationError({'slugs': _('News with this slug already exists.')})
-        return attrs
+    def create(self, validated_data):
+        slugs = validated_data.get('slugs')
+        if slugs:
+            if models.News.objects.filter(
+                    slugs__values__contains=list(slugs.values())
+            ).exists():
+                raise serializers.ValidationError({'slugs': _('News with this slug already exists.')})
+        return super().create(validated_data)
+
+    def update(self, instance, validated_data):
+        slugs = validated_data.get('slugs')
+        if slugs:
+            if models.News.objects.filter(
+                    slugs__values__contains=list(slugs.values())
+            ).exclude(pk=instance.pk).exists():
+                raise serializers.ValidationError({'slugs': _('News with this slug already exists.')})
+        return super().update(instance, validated_data)
 
 
 class NewsBackOfficeDetailSerializer(NewsBackOfficeBaseSerializer,