diff --git a/label_studio/labels_manager/serializers.py b/label_studio/labels_manager/serializers.py
index 151f97312285..aff87382309a 100755
--- a/label_studio/labels_manager/serializers.py
+++ b/label_studio/labels_manager/serializers.py
@@ -88,7 +88,7 @@ def create(self, validated_data):
 class LabelCreateSerializer(serializers.ModelSerializer):
     created_by = serializers.PrimaryKeyRelatedField(required=False, read_only=True)
     organization = serializers.PrimaryKeyRelatedField(required=False, read_only=True)
-    project = serializers.PrimaryKeyRelatedField(queryset=Project.objects.all())
+    project = serializers.PrimaryKeyRelatedField(queryset=Project.objects)
     from_name = serializers.CharField()
 
     class Meta:
@@ -116,7 +116,7 @@ class Meta:
 
 
 class LabelBulkUpdateSerializer(serializers.Serializer):
-    project = serializers.PrimaryKeyRelatedField(queryset=Project.objects.all(), required=False, default=None)
+    project = serializers.PrimaryKeyRelatedField(queryset=Project.objects, required=False, default=None)
     old_label = serializers.JSONField()
     new_label = serializers.JSONField()