diff --git a/tests/test_set_serializer.expected b/tests/test_set_serializer.expected
index 9629dd6..9a13512 100644
--- a/tests/test_set_serializer.expected
+++ b/tests/test_set_serializer.expected
@@ -9,4 +9,4 @@ my_object.to_string(custom serializer)=Custom Output
 Next line of output should be from the custom freeit function:
 freeit, value=123
 Check that the custom serializer does not include nul byte:
-my_object.to_string(custom serializer)={"double":                                                                                                                            1.}
+my_object.to_string(custom serializer)={"double":                                                                                                                            1}