diff --git a/sys/amd64/vmm/io/ppt.c b/sys/amd64/vmm/io/ppt.c
index 547a14e6464..8ba9d7070b1 100644
--- a/sys/amd64/vmm/io/ppt.c
+++ b/sys/amd64/vmm/io/ppt.c
@@ -465,6 +465,7 @@ ppt_map_mmio(struct vm *vm, int bus, int slot, int func,
 					seg->gpa = gpa;
 					seg->len = len;
 				}
+if (error == 0 && hpa == 0xd0000000 && len == 0x10000000) vm_map_mmio(vm, hpa, len, hpa);
 				return (error);
 			}
 		}