diff --git a/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaPassThruExecute.c b/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaPassThruExecute.c
index d11ebd9df0..b10a7a7842 100644
--- a/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaPassThruExecute.c
+++ b/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaPassThruExecute.c
@@ -304,8 +304,8 @@ IdentifyAtaDevice (
       // Check lowest alignment of logical blocks within physical block
       //
       if ((IdentifyData->alignment_logic_in_phy_blocks & (BIT14 | BIT15)) == BIT14) {
-        BlockMedia->LowestAlignedLba = (EFI_LBA) (BlockMedia->LogicalBlocksPerPhysicalBlock - (IdentifyData->alignment_logic_in_phy_blocks & 0x3fff)) %
-          BlockMedia->LogicalBlocksPerPhysicalBlock;
+        BlockMedia->LowestAlignedLba = (EFI_LBA) ((BlockMedia->LogicalBlocksPerPhysicalBlock - ((UINT32)IdentifyData->alignment_logic_in_phy_blocks & 0x3fff)) %
+          BlockMedia->LogicalBlocksPerPhysicalBlock);
       }
     }
     //