diff --git a/src/debugpy/_vendored/pydevd/_pydevd_bundle/pydevd_process_net_command_json.py b/src/debugpy/_vendored/pydevd/_pydevd_bundle/pydevd_process_net_command_json.py
index 6d50d568c..9639e5ded 100644
--- a/src/debugpy/_vendored/pydevd/_pydevd_bundle/pydevd_process_net_command_json.py
+++ b/src/debugpy/_vendored/pydevd/_pydevd_bundle/pydevd_process_net_command_json.py
@@ -397,7 +397,7 @@ def get_variable_presentation(setting, default):
 
         if not self._options.break_system_exit_zero:
             ignore_system_exit_codes = [0, None]
-            if self._options.django_debug:
+            if self._options.django_debug or self._options.flask_debug:
                 ignore_system_exit_codes += [3]
 
             self.api.set_ignore_system_exit_codes(py_db, ignore_system_exit_codes)