diff --git a/lcl/interfaces/qt5/cbindings/src/qguiapplication_c.cpp b/lcl/interfaces/qt5/cbindings/src/qguiapplication_c.cpp
index fdb9daf069..423fc42dac 100644
--- a/lcl/interfaces/qt5/cbindings/src/qguiapplication_c.cpp
+++ b/lcl/interfaces/qt5/cbindings/src/qguiapplication_c.cpp
@@ -230,3 +230,14 @@ bool QGuiApplication_isSavingSession(QGuiApplicationH handle)
 	return (bool) ((QGuiApplication *)handle)->isSavingSession();
 }
 
+bool QGuiApplication_isFallbackSessionManagementEnabled()
+{
+	return (bool) QGuiApplication::isFallbackSessionManagementEnabled();
+}
+
+void QGuiApplication_setFallbackSessionManagementEnabled(bool enabled)
+{
+	QGuiApplication::setFallbackSessionManagementEnabled(enabled);
+}
+
+
diff --git a/lcl/interfaces/qt5/cbindings/src/qguiapplication_c.h b/lcl/interfaces/qt5/cbindings/src/qguiapplication_c.h
index 6ed21b5391..45bd9662cf 100644
--- a/lcl/interfaces/qt5/cbindings/src/qguiapplication_c.h
+++ b/lcl/interfaces/qt5/cbindings/src/qguiapplication_c.h
@@ -52,6 +52,8 @@ C_EXPORT void QGuiApplication_setQuitOnLastWindowClosed(bool quit);
 C_EXPORT bool QGuiApplication_quitOnLastWindowClosed();
 C_EXPORT int QGuiApplication_exec();
 C_EXPORT bool QGuiApplication_notify(QGuiApplicationH handle, QObjectH AnonParam1, QEventH AnonParam2);
+C_EXPORT bool QGuiApplication_isFallbackSessionManagementEnabled();
+C_EXPORT void QGuiApplication_setFallbackSessionManagementEnabled(bool enabled);
 C_EXPORT bool QGuiApplication_isSessionRestored(QGuiApplicationH handle);
 C_EXPORT void QGuiApplication_sessionId(QGuiApplicationH handle, PWideString retval);
 C_EXPORT void QGuiApplication_sessionKey(QGuiApplicationH handle, PWideString retval);
diff --git a/lcl/interfaces/qt5/qt56.pas b/lcl/interfaces/qt5/qt56.pas
index 20c2fac9d5..5df7b140e5 100644
--- a/lcl/interfaces/qt5/qt56.pas
+++ b/lcl/interfaces/qt5/qt56.pas
@@ -5540,6 +5540,8 @@ function QGuiApplication_isSessionRestored(handle: QGuiApplicationH): Boolean; c
 procedure QGuiApplication_sessionId(handle: QGuiApplicationH; retval: PWideString); cdecl; external Qt5PasLib name 'QGuiApplication_sessionId';
 procedure QGuiApplication_sessionKey(handle: QGuiApplicationH; retval: PWideString); cdecl; external Qt5PasLib name 'QGuiApplication_sessionKey';
 function QGuiApplication_isSavingSession(handle: QGuiApplicationH): Boolean; cdecl; external Qt5PasLib name 'QGuiApplication_isSavingSession';
+function QGuiApplication_isFallbackSessionManagementEnabled(): Boolean; cdecl; external Qt5PasLib name 'QGuiApplication_isFallbackSessionManagementEnabled';
+procedure QGuiApplication_setFallbackSessionManagementEnabled(AEnabled: boolean); cdecl; external Qt5PasLib name 'QGuiApplication_setFallbackSessionManagementEnabled';
 
 
 type
diff --git a/lcl/interfaces/qt5/qtobject.inc b/lcl/interfaces/qt5/qtobject.inc
index d7771ac8ac..b1336979a5 100644
--- a/lcl/interfaces/qt5/qtobject.inc
+++ b/lcl/interfaces/qt5/qtobject.inc
@@ -39,6 +39,7 @@ begin
     App := QApplication_Create(@argc, argv);
   end;
   QCoreApplication_setAttribute(QtAA_DontCreateNativeWidgetSiblings, True);
+  QGuiApplication_setFallbackSessionManagementEnabled(False);
   {$IFDEF QtUseNativeEventLoop}
   FMainTimerID := -1;
   {$ENDIF}