diff --git a/ShellPkg/Application/Shell/Shell.c b/ShellPkg/Application/Shell/Shell.c
index 3e4706c288..b6b54efb5e 100644
--- a/ShellPkg/Application/Shell/Shell.c
+++ b/ShellPkg/Application/Shell/Shell.c
@@ -441,7 +441,7 @@ UefiMain (
   }
   if (ShellInfoObject.NewEfiShellProtocol != NULL){
     if (ShellInfoObject.NewEfiShellProtocol->IsRootShell()){
-      ShellInfoObject.NewEfiShellProtocol->SetEnv(L"cwd", L"", TRUE);
+      InternalEfiShellSetEnv(L"cwd", NULL, TRUE);
     }
     CleanUpShellProtocol(ShellInfoObject.NewEfiShellProtocol);
     DEBUG_CODE(ShellInfoObject.NewEfiShellProtocol = NULL;);