diff --git a/src/vendorcode/amd/agesa/f16kb/Proc/Mem/Feat/DMI/mfDMI.c b/src/vendorcode/amd/agesa/f16kb/Proc/Mem/Feat/DMI/mfDMI.c
index 856a21af33..2f919d76e2 100644
--- a/src/vendorcode/amd/agesa/f16kb/Proc/Mem/Feat/DMI/mfDMI.c
+++ b/src/vendorcode/amd/agesa/f16kb/Proc/Mem/Feat/DMI/mfDMI.c
@@ -716,7 +716,7 @@ MemFGetDctInterleavedLimit (
   UINT8 i;
 
   DctMemLimit = 0;
-  if (DctInterleavedMemSize == NBPtr->DCTPtr->Timings.DctMemSize << 6) {
+  if (DctInterleavedMemSize == (UINT64)(NBPtr->DCTPtr->Timings.DctMemSize) << 6) {
     // The whole memory range is interleaved for the DCTs with the minimum memory size
     for (i = 0; i < NBPtr->DctCount; i++) {
       DctMemLimit += DctInterleavedMemSize;