diff --git a/reactos/dll/win32/shell32/shellmenu/CMenuBand.cpp b/reactos/dll/win32/shell32/shellmenu/CMenuBand.cpp
index 8826da91cbf..1e87eac6d0f 100644
--- a/reactos/dll/win32/shell32/shellmenu/CMenuBand.cpp
+++ b/reactos/dll/win32/shell32/shellmenu/CMenuBand.cpp
@@ -672,6 +672,9 @@ HRESULT STDMETHODCALLTYPE CMenuBand::TranslateMenuMessage(MSG *pmsg, LRESULT *pl
 
 HRESULT STDMETHODCALLTYPE CMenuBand::SetShellFolder(IShellFolder *psf, LPCITEMIDLIST pidlFolder, HKEY hKey, DWORD dwFlags)
 {
+    if (!psf)
+        return E_INVALIDARG;
+
     if (m_SFToolbar == NULL)
     {
         m_SFToolbar = new CMenuSFToolbar(this);