diff --git a/doc/fixes36.1 b/doc/fixes36.1
index b4c572fca..175309436 100644
--- a/doc/fixes36.1
+++ b/doc/fixes36.1
@@ -28,6 +28,7 @@ negative intrinsic protection shouldn't confer MC=1, "you are warded" (not
 	possible from divine protection but is possible from eating rings)
 make a slight adjustment to the quickmimic() sense wording
 fix typo in passage 1 of The Colour of Magic
+falling asleep when reading dull spellbook ignored sleep resistance
 
 
 Platform- and/or Interface-Specific Fixes
diff --git a/src/spell.c b/src/spell.c
index 71068c7a6..bc911f3c3 100644
--- a/src/spell.c
+++ b/src/spell.c
@@ -1,4 +1,4 @@
-/* NetHack 3.6	spell.c	$NHDT-Date: 1447653429 2015/11/16 05:57:09 $  $NHDT-Branch: master $:$NHDT-Revision: 1.72 $ */
+/* NetHack 3.6	spell.c	$NHDT-Date: 1450128440 2015/12/14 21:27:20 $  $NHDT-Branch: NetHack-3.6.0 $:$NHDT-Revision: 1.73 $ */
 /*      Copyright (c) M. Stephenson 1988                          */
 /* NetHack may be freely redistributed.  See license for details. */
 
@@ -430,7 +430,7 @@ register struct obj *spellbook;
     boolean too_hard = FALSE;
 
     /* attempting to read dull book may make hero fall asleep */
-    if (!confused && booktype != SPE_BLANK_PAPER
+    if (!confused && !Sleep_resistance
         && !strcmp(OBJ_DESCR(objects[booktype]), "dull")) {
         const char *eyes;
         int dullbook = rnd(25) - ACURR(A_WIS);