diff --git a/bedstead.c b/bedstead.c
index 9b5ced1..5634c95 100644
--- a/bedstead.c
+++ b/bedstead.c
@@ -1633,6 +1633,7 @@ static struct glyph {
  {{010,010,010,010,010,010,016,000,000}, U(230A) }, /* left floor */
  {{002,002,002,002,002,002,016,000,000}, U(230B) }, /* right floor */
  {{000,000,037,020,020,000,000,000,000}, 0x2310, "revlogicalnot" },
+ {{000,000,020,020,037,000,000,000,000}, U(2319) }, /* turned logical not */
  {{037,020,020,020,020,000,000,000,000}, U(231C) }, /* top left corner */
  {{037,001,001,001,001,000,000,000,000}, U(231D) }, /* top right corner */
  {{000,000,020,020,020,020,037,000,000}, U(231E) }, /* bottom left corner */