diff --git a/reflex/state.py b/reflex/state.py
index bd3cc79ea..d3002e04a 100644
--- a/reflex/state.py
+++ b/reflex/state.py
@@ -1282,9 +1282,9 @@ class BaseState(Base, ABC, extra=pydantic.Extra.allow):
             return
 
         if (
-            not name.startswith("__")
+            name not in self.vars
+            and not name.startswith("__")
             and not name.startswith(f"_{type(self).__name__}__")
-            and name not in self.vars
             and name not in self.get_skip_vars()
         ):
             raise SetUndefinedStateVarError(