diff --git a/MdeModulePkg/Universal/PCD/Dxe/Service.c b/MdeModulePkg/Universal/PCD/Dxe/Service.c
index a9c4c10951..b082f0a6de 100644
--- a/MdeModulePkg/Universal/PCD/Dxe/Service.c
+++ b/MdeModulePkg/Universal/PCD/Dxe/Service.c
@@ -98,7 +98,7 @@ GetPcdType (
     case PCD_DATUM_TYPE_POINTER:
       return EFI_PCD_TYPE_PTR;
     case PCD_DATUM_TYPE_UINT8:
-      if (LocalTokenNumber & PCD_DATUM_TYPE_UINT8_BOOLEAN) {
+      if ((LocalTokenNumber & PCD_DATUM_TYPE_UINT8_BOOLEAN) == PCD_DATUM_TYPE_UINT8_BOOLEAN) {
         return EFI_PCD_TYPE_BOOL;
       } else {
         return EFI_PCD_TYPE_8;
diff --git a/MdeModulePkg/Universal/PCD/Pei/Service.c b/MdeModulePkg/Universal/PCD/Pei/Service.c
index a4e35c2792..4fb8b4a687 100644
--- a/MdeModulePkg/Universal/PCD/Pei/Service.c
+++ b/MdeModulePkg/Universal/PCD/Pei/Service.c
@@ -72,7 +72,7 @@ GetPcdType (
     case PCD_DATUM_TYPE_POINTER:
       return EFI_PCD_TYPE_PTR;
     case PCD_DATUM_TYPE_UINT8:
-      if (LocalTokenNumber & PCD_DATUM_TYPE_UINT8_BOOLEAN) {
+      if ((LocalTokenNumber & PCD_DATUM_TYPE_UINT8_BOOLEAN) == PCD_DATUM_TYPE_UINT8_BOOLEAN) {
         return EFI_PCD_TYPE_BOOL;
       } else {
         return EFI_PCD_TYPE_8;