diff --git a/src/VIDEO/vid_ati_mach64.c b/src/VIDEO/vid_ati_mach64.c
index a2ddb1d2d..8668d21e7 100644
--- a/src/VIDEO/vid_ati_mach64.c
+++ b/src/VIDEO/vid_ati_mach64.c
@@ -551,6 +551,7 @@ void mach64_updatemapping(mach64_t *mach64)
                         mem_mapping_set_addr(&mach64->mmio_linear_mapping, mach64->linear_base + ((8 << 20) - 0x4000), 0x4000);
                         mem_mapping_set_addr(&mach64->mmio_linear_mapping_2, mach64->linear_base + ((16 << 20) - 0x4000), 0x4000);
                 }
+		svga->linear_base = mach64->linear_base;
         }
         else
         {