diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 83297de2..a7a84532 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -36,6 +36,7 @@ Bug Fixes
 ::
 
    * Fix failing pypy python setup in github actions
+   * Fix compatibility with upcoming release of Flask 2.3+. (#485) [jdieter]
 
 .. _section-1.0.2:
 1.0.2
diff --git a/flask_restx/api.py b/flask_restx/api.py
index 31539584..922c6e2c 100644
--- a/flask_restx/api.py
+++ b/flask_restx/api.py
@@ -685,7 +685,7 @@ def handle_error(self, e):
         # client if a handler is configured for the exception.
         if (
             not isinstance(e, HTTPException)
-            and current_app.propagate_exceptions
+            and current_app.config.get("PROPAGATE_EXCEPTIONS", False)
             and not isinstance(e, tuple(self._own_and_child_error_handlers.keys()))
         ):