diff --git a/bedstead.c b/bedstead.c
index 2dcaf52..16db4b5 100644
--- a/bedstead.c
+++ b/bedstead.c
@@ -1623,7 +1623,7 @@ static struct glyph {
  {{025,000,012,000,025,000,012,000,025}, 0x2591, "ltshade" },
  {{022,011,004,022,011,004,022,011,004}, 0x2592, "shade" },
  {{025,037,012,037,025,037,012,037,025}, 0x2593, "dkshade" },
-#define M(x, u) { {x}, U(u), MOS6 }, { {x}, -1, "uni" #u ".sep4", SEP4 }
+#define M(x, u) { {x}, U(u), MOS4 }, { {x}, -1, "uni" #u ".sep4", SEP4 }
  M( 4, 2596), M( 8, 2597), M( 1, 2598), M(13, 2599),
  M( 9, 259A), M( 7, 259B), M(11, 259C), M( 2, 259D),
  M( 6, 259E), M(14, 259F),