diff --git a/qt_ui/logging_handler.py b/qt_ui/logging_handler.py
index 465e4cb1..a1f16560 100644
--- a/qt_ui/logging_handler.py
+++ b/qt_ui/logging_handler.py
@@ -1,5 +1,8 @@
+from __future__ import annotations
+
 import logging
 import typing
+from collections.abc import Iterator
 
 LogHook = typing.Callable[[str], None]
 
@@ -15,6 +18,16 @@ class HookableInMemoryHandler(logging.Handler):
         self._log = ""
         self._hook = None
 
+    @staticmethod
+    def iter_registered_handlers(
+        logger: logging.Logger | None = None,
+    ) -> Iterator[HookableInMemoryHandler]:
+        if logger is None:
+            logger = logging.getLogger()
+        for handler in logger.handlers:
+            if isinstance(handler, HookableInMemoryHandler):
+                yield handler
+
     @property
     def log(self) -> str:
         return self._log
diff --git a/qt_ui/windows/QLiberationWindow.py b/qt_ui/windows/QLiberationWindow.py
index 195a201b..3392dfe5 100644
--- a/qt_ui/windows/QLiberationWindow.py
+++ b/qt_ui/windows/QLiberationWindow.py
@@ -27,6 +27,7 @@ from game.theater import ControlPoint, MissionTarget, TheaterGroundObject
 from game.turnstate import TurnState
 from qt_ui import liberation_install
 from qt_ui.dialogs import Dialog
+from qt_ui.logging_handler import HookableInMemoryHandler
 from qt_ui.models import GameModel
 from qt_ui.simcontroller import SimController
 from qt_ui.uiflags import UiFlags
@@ -576,6 +577,10 @@ class QLiberationWindow(QMainWindow):
         self._cp_dialog = QBaseMenu2(None, cp, self.game_model)
         self._cp_dialog.show()
 
+    def _disconnect_log_signals(self) -> None:
+        for handler in HookableInMemoryHandler.iter_registered_handlers():
+            handler.clearHook()
+
     def _qsettings(self) -> QSettings:
         return QSettings("DCS Liberation", "Qt UI")
 
@@ -597,6 +602,7 @@ class QLiberationWindow(QMainWindow):
             QMessageBox.Yes | QMessageBox.No,
         )
         if result == QMessageBox.Yes:
+            self._disconnect_log_signals()
             self._save_window_geometry()
             super().closeEvent(event)
             self.dialog = None
diff --git a/qt_ui/windows/logs/QLogsWindow.py b/qt_ui/windows/logs/QLogsWindow.py
index ae3358bd..baebbee9 100644
--- a/qt_ui/windows/logs/QLogsWindow.py
+++ b/qt_ui/windows/logs/QLogsWindow.py
@@ -1,14 +1,13 @@
-import logging
 import typing
 
 from PySide6.QtCore import Signal
+from PySide6.QtGui import QTextCursor, QIcon
 from PySide6.QtWidgets import (
     QDialog,
     QPlainTextEdit,
     QVBoxLayout,
     QPushButton,
 )
-from PySide6.QtGui import QTextCursor, QIcon
 
 from qt_ui.logging_handler import HookableInMemoryHandler
 
@@ -50,12 +49,17 @@ class QLogsWindow(QDialog):
 
         self.appendLogSignal.connect(self.appendLog)
 
-        self._logging_handler = None
-        logger = logging.getLogger()
-        for handler in logger.handlers:
-            if isinstance(handler, HookableInMemoryHandler):
-                self._logging_handler = handler
-                break
+        try:
+            # This assumes that there's never more than one in memory handler. We don't
+            # configure more than one by default, but logging is customizable with
+            # resources/logging.yaml. If someone adds a second in-memory handler, only
+            # the first one (in arbitrary order) will be shown.
+            self._logging_handler = next(
+                HookableInMemoryHandler.iter_registered_handlers()
+            )
+        except StopIteration:
+            self._logging_handler = None
+
         if self._logging_handler is not None:
             self.textbox.setPlainText(self._logging_handler.log)
             self.textbox.moveCursor(QTextCursor.End)