diff --git a/rpcs3/rpcs3qt/gui_application.cpp b/rpcs3/rpcs3qt/gui_application.cpp
index 77752a4809..38762b1134 100644
--- a/rpcs3/rpcs3qt/gui_application.cpp
+++ b/rpcs3/rpcs3qt/gui_application.cpp
@@ -209,6 +209,11 @@ void gui_application::InitializeCallbacks()
 void gui_application::StartPlaytime()
 {
 	const QString serial = qstr(Emu.GetTitleID());
+	if (serial.isEmpty())
+	{
+		return;
+	}
+
 	m_gui_settings->SetLastPlayed(serial, QDate::currentDate().toString("MMMM d yyyy"));
 	m_timer_playtime.start();
 }
@@ -219,6 +224,12 @@ void gui_application::StopPlaytime()
 		return;
 
 	const QString serial = qstr(Emu.GetTitleID());
+	if (serial.isEmpty())
+	{
+		m_timer_playtime.invalidate();
+		return;
+	}
+
 	const qint64 playtime = m_gui_settings->GetPlaytime(serial) + m_timer_playtime.elapsed();
 	m_gui_settings->SetPlaytime(serial, playtime);
 	m_gui_settings->SetLastPlayed(serial, QDate::currentDate().toString("MMMM d yyyy"));