diff --git a/src/vid_s3.c b/src/vid_s3.c
index aa90024ad..3daff54c8 100644
--- a/src/vid_s3.c
+++ b/src/vid_s3.c
@@ -880,6 +880,9 @@ void s3_out(uint16_t addr, uint8_t val, void *p)
                                 svga->hwcursor.x <<= 1;
                         break;
 
+                        case 0x53:
+                        s3_updatemapping(s3);
+                        break;
 			case 0x58:
 			s3_update_linear_size(s3);
 			s3->linear_base &= ((s3->linear_size - 1) ^ 0xffffffff);
@@ -897,10 +900,6 @@ void s3_out(uint16_t addr, uint8_t val, void *p)
 			s3->linear_base &= ((s3->linear_size - 1) ^ 0xffffffff);
                         s3_updatemapping(s3);
                         break;
-                        case 0x53:
-                        case 0x58:
-                        s3_updatemapping(s3);
-                        break;
                         
                         case 0x67:
                         if (s3->chip == S3_TRIO32 || s3->chip == S3_TRIO64)