diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3e0aad56..6fd6b77d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,9 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [1.9.6 / 5.64.6] - 2023-05-??
 
+### Changed
+- Don't close submenus on mouse-leave [#2963](https://github.com/sandboxie-plus/Sandboxie/issues/2963)
+
 ### Fixed
 - fixed an issue with token manipulation in the SbieDrv driver
 
diff --git a/SandboxiePlus/SandMan/main.cpp b/SandboxiePlus/SandMan/main.cpp
index ab47af70..894006ef 100644
--- a/SandboxiePlus/SandMan/main.cpp
+++ b/SandboxiePlus/SandMan/main.cpp
@@ -14,6 +14,18 @@ CSettings* theConf = NULL;
 
 QString g_PendingMessage;
 
+class CCustomStyle : public QProxyStyle {
+public:
+	CCustomStyle(QStyle* style = 0) : QProxyStyle(style) {}
+
+	int styleHint(StyleHint stylehint, const QStyleOption* opt = nullptr,
+		const QWidget* widget = nullptr, QStyleHintReturn* returnData = nullptr) const
+	{
+		if (stylehint == SH_Menu_SubMenuSloppyCloseTimeout) 
+			return -1;
+		return QProxyStyle::styleHint(stylehint, opt, widget, returnData);
+	}
+};
 int main(int argc, char *argv[])
 {
 	srand(QDateTime::currentDateTimeUtc().toSecsSinceEpoch());
@@ -62,6 +74,9 @@ int main(int argc, char *argv[])
 	QtSingleApplication app(argc, argv);
 	app.setQuitOnLastWindowClosed(false);
 
+	CCustomStyle* style = new CCustomStyle(app.style());
+	app.setStyle(style);
+
 	//InitConsole(false);
 
 	bool IsBoxed = GetModuleHandle(L"SbieDll.dll") != NULL;