diff --git a/author/serializers.py b/author/serializers.py
index 7ce4915..7641d4b 100644
--- a/author/serializers.py
+++ b/author/serializers.py
@@ -5,7 +5,7 @@
 
 
 class AuthorSerializer(serializers.ModelSerializer):
-    id = serializers.IntegerField(read_only=True)
+    pk = serializers.IntegerField(read_only=True)
     first_name = serializers.CharField(max_length=64)
     last_name = serializers.CharField(max_length=64)
     pseudonym = serializers.CharField(max_length=64, required=False)