diff --git a/CHANGELOG.md b/CHANGELOG.md
index 851676a9..466f89ea 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 ### Added
 
 ### Changed
+* [#59](https://github.com/stlehmann/PyQt5-stubs/pull/59) fixes QGuiApplication.lastWindowClosed to be a signal
 * [#58](https://github.com/stlehmann/PyQt5-stubs/pull/50) improves QObject.findChild and findChildren
 * [#50](https://github.com/stlehmann/PyQt5-stubs/pull/50) fixes QTest QAbstractItemModelTester.FailureReportingMode attributes
 * [#46](https://github.com/stlehmann/PyQt5-stubs/pull/46) fixes QCoreApplication and QObject signals
diff --git a/PyQt5-stubs/QtGui.pyi b/PyQt5-stubs/QtGui.pyi
index 348ffb59..5759a1d0 100644
--- a/PyQt5-stubs/QtGui.pyi
+++ b/PyQt5-stubs/QtGui.pyi
@@ -2333,7 +2333,7 @@ class QGuiApplication(QtCore.QCoreApplication):
     def saveStateRequest(self, sessionManager: 'QSessionManager') -> None: ...
     def commitDataRequest(self, sessionManager: 'QSessionManager') -> None: ...
     def focusObjectChanged(self, focusObject: QtCore.QObject) -> None: ...
-    def lastWindowClosed(self) -> None: ...
+    lastWindowClosed: typing.ClassVar[QtCore.pyqtSignal]
     def screenAdded(self, screen: 'QScreen') -> None: ...
     def fontDatabaseChanged(self) -> None: ...
     def notify(self, a0: QtCore.QObject, a1: QtCore.QEvent) -> bool: ...