diff --git a/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableDxe/FirmwarePerformanceDxe.c b/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableDxe/FirmwarePerformanceDxe.c
index b1801a70f8..dbe7ef75c3 100644
--- a/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableDxe/FirmwarePerformanceDxe.c
+++ b/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableDxe/FirmwarePerformanceDxe.c
@@ -744,7 +744,7 @@ FpdtExitBootServicesEventNotify (
   IN VOID             *Context
   )
 {
-  if (mDxeCoreReportStatusCodeEnable == FALSE) {
+  if (!mDxeCoreReportStatusCodeEnable) {
     //
     // When DxeCore Report Status Code is disabled, 
     // Unregister boot time report status code listener at ExitBootService Event.