diff --git a/core/rend/transform_matrix.h b/core/rend/transform_matrix.h
index 280c2a7d12..65d1a8a785 100644
--- a/core/rend/transform_matrix.h
+++ b/core/rend/transform_matrix.h
@@ -296,6 +296,7 @@ inline static void getVideoShift(float& x, float& y)
 			x = VO_STARTX.HStart - 0xae;
 			break;
 		case 851: // Naomi
+		case 850: // meltyb
 			x = VO_STARTX.HStart - 0xa5; // a0 for 15 kHz
 			break;
 		default:
@@ -318,6 +319,7 @@ inline static void getVideoShift(float& x, float& y)
 			y = VO_STARTY.VStart_field1 - 0x2e;
 			break;
 		case 529: // Naomi 31 kHz
+		case 528: // meltyb
 			y = VO_STARTY.VStart_field1 - 0x24;
 			break;
 		case 536: // Naomi 15 kHz 480i