diff --git a/IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciLib.c b/IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciLib.c
index 0812bf0363..050da68c66 100644
--- a/IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciLib.c
+++ b/IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciLib.c
@@ -2115,7 +2115,7 @@ ReadConfigData (
 
        Stride = 1 << AccessWidth;
         AccessAddress += Stride;
-        if (AccessAddress >= (Address + (1 << Width))) {
+        if (AccessAddress >= (Address + (1ULL << Width))) {
           //
           // if all datas have been read, exist
           //
@@ -2382,7 +2382,7 @@ WriteConfigData (
 
         Stride = 1 << AccessWidth;
         AccessAddress += Stride;
-        if (AccessAddress >= (Address + (1 << Width))) {
+        if (AccessAddress >= (Address + (1ULL << Width))) {
           //
           // if all datas have been written, exist
           //