diff --git a/OvmfPkg/AcpiTables/Dsdt.asl b/OvmfPkg/AcpiTables/Dsdt.asl
index 0ef0d3d0a0..e627835963 100644
--- a/OvmfPkg/AcpiTables/Dsdt.asl
+++ b/OvmfPkg/AcpiTables/Dsdt.asl
@@ -448,10 +448,10 @@ DefinitionBlock ("Dsdt.aml", "DSDT", 1, "INTEL ", "OVMF    ", 3) {
             IO (Decode16, 0x440, 0x440, 0x00, 0x10)
             IO (Decode16, 0x678, 0x678, 0x00, 0x08)
             IO (Decode16, 0x778, 0x778, 0x00, 0x08)
-            IO (Decode16, 0xafe0, 0xafe0, 0x00, 0x04)     // QEMU GPE0 BLK
-            IO (Decode16, 0xb000, 0xb000, 0x00, 0x40)     // PMBLK1
-            Memory32Fixed (ReadOnly, 0xFEC00000, 0x1000)  // IO APIC
-            Memory32Fixed (ReadOnly, 0xFEE00000, 0x1000)
+            IO (Decode16, 0xafe0, 0xafe0, 0x00, 0x04)      // QEMU GPE0 BLK
+            IO (Decode16, 0xb000, 0xb000, 0x00, 0x40)      // PMBLK1
+            Memory32Fixed (ReadOnly, 0xFEC00000, 0x1000)   // IO APIC
+            Memory32Fixed (ReadOnly, 0xFEE00000, 0x100000) // LAPIC
           })
         }