diff --git a/bedstead.c b/bedstead.c
index cc25e8b..2f30a7b 100644
--- a/bedstead.c
+++ b/bedstead.c
@@ -1307,10 +1307,10 @@ static struct glyph {
 
  /* Miscellaneous technical */
  {{004,012,021,021,021,021,037,000,000}, 0x2302, "house" },
- {{016,010,010,010,010,010,010,010,010}, U(2308) }, /* left ceiling */
- {{016,002,002,002,002,002,002,002,002}, U(2309) }, /* rightceiling */
- {{010,010,010,010,010,010,010,010,016}, U(230A) }, /* left floor */
- {{000,002,002,002,002,002,002,002,016}, U(230B) }, /* right floor */
+ {{016,010,010,010,010,010,010,000,000}, U(2308) }, /* left ceiling */
+ {{016,002,002,002,002,002,002,000,000}, U(2309) }, /* right ceiling */
+ {{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" },
  {{000,000,002,005,004,004,004,004,004}, 0x2320, "integraltp" },
  {{004,004,004,004,004,024,010,000,000}, 0x2321, "integralbt" },