diff --git a/ShellPkg/Application/Shell/ShellParametersProtocol.c b/ShellPkg/Application/Shell/ShellParametersProtocol.c
index 91a0f5f8a2..9e50225674 100644
--- a/ShellPkg/Application/Shell/ShellParametersProtocol.c
+++ b/ShellPkg/Application/Shell/ShellParametersProtocol.c
@@ -1040,7 +1040,7 @@ UpdateStdInStdOutStdErr(
             TempHandle = CreateFileInterfaceFile(TempHandle, FALSE);
           }
           Size = 0;
-          if (TempHandle != NULL || ((EFI_FILE_PROTOCOL*)TempHandle)->Read(TempHandle, &Size, NULL) != EFI_BUFFER_TOO_SMALL) {
+          if (TempHandle == NULL || ((EFI_FILE_PROTOCOL*)TempHandle)->Read(TempHandle, &Size, NULL) != EFI_BUFFER_TOO_SMALL) {
             Status = EFI_INVALID_PARAMETER;
           } else {
             ShellParameters->StdIn = TempHandle;