diff --git a/src/mame/video/dc.c b/src/mame/video/dc.c
index f61171454c2..ca0b10b01dd 100644
--- a/src/mame/video/dc.c
+++ b/src/mame/video/dc.c
@@ -1483,7 +1483,7 @@ static void computedilated(void)
 			dilated1[b][a]=dilate1(a,b);
 		}
 	for (b=0;b <= 7;b++)
-		for (a=0;a < 7;a++)
+		for (a=0;a <= 7;a++)
 			dilatechose[(b << 3) + a]=3+(a < b ? a : b);
 }