diff --git a/erepublik/citizen.py b/erepublik/citizen.py
index 9056f25..8af7990 100644
--- a/erepublik/citizen.py
+++ b/erepublik/citizen.py
@@ -99,7 +99,7 @@ class Citizen(classes.CitizenAPI):
 
     @property
     def __dict__(self):
-        ret = super().__dict__
+        ret = super().__dict__.copy()
         ret.pop('reporter', None)
         ret.pop('stop_threads', None)
         ret.pop('_Citizen__last_war_update_data', None)