diff --git a/awx/api/serializers.py b/awx/api/serializers.py
index 2f03739f18..054d0573dd 100644
--- a/awx/api/serializers.py
+++ b/awx/api/serializers.py
@@ -998,7 +998,7 @@ class OAuth2ApplicationSerializer(BaseSerializer):
     def to_representation(self, obj):
         ret = super(OAuth2ApplicationSerializer, self).to_representation(obj)
         if obj.client_type == 'public':
-            ret.pop('client_secret')
+            ret.pop('client_secret', None)
         return ret