diff --git a/apps/applications/serializers/attrs/application_category/db.py b/apps/applications/serializers/attrs/application_category/db.py
index d4d36e47d..183397e8e 100644
--- a/apps/applications/serializers/attrs/application_category/db.py
+++ b/apps/applications/serializers/attrs/application_category/db.py
@@ -20,7 +20,7 @@ class DBSerializer(serializers.Serializer):
     client_cert = serializers.CharField(
         required=False, allow_null=True, label=_('Client certificate file')
     )
-    key_file = serializers.CharField(
+    cert_key = serializers.CharField(
         required=False, allow_null=True, label=_('Certificate key file')
     )
     allow_invalid_cert = serializers.BooleanField(default=False, label=_('Allow invalid cert'))