diff --git a/doc/fixes36.1 b/doc/fixes36.1
index 5f13a649c..d010c2541 100644
--- a/doc/fixes36.1
+++ b/doc/fixes36.1
@@ -391,6 +391,7 @@ poor message when shape-shifted vampire reverts if cause of 'death' was
 	used for amorphous form, "reconstitute" rather than "transform")
 poor message when named vampire shifts shape within view:
 	You observe a Dracula where a Dracula was.
+vampire shifting into fog cloud to pass under door "oozed" rather than "flowed"
 adult green dragons and the Chromatic Dragon were blinded by gas clouds
 
 
diff --git a/src/monmove.c b/src/monmove.c
index ece138bba..92cdac8dd 100644
--- a/src/monmove.c
+++ b/src/monmove.c
@@ -1,4 +1,4 @@
-/* NetHack 3.6	monmove.c	$NHDT-Date: 1496531115 2017/06/03 23:05:15 $  $NHDT-Branch: NetHack-3.6.0 $:$NHDT-Revision: 1.90 $ */
+/* NetHack 3.6	monmove.c	$NHDT-Date: 1496534703 2017/06/04 00:05:03 $  $NHDT-Branch: NetHack-3.6.0 $:$NHDT-Revision: 1.91 $ */
 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
 /* NetHack may be freely redistributed.  See license for details. */
 
@@ -1250,10 +1250,12 @@ postmov:
                         || (can_fog(mtmp)
                             && vamp_shift(mtmp, &mons[PM_FOG_CLOUD],
                                           canspotmon(mtmp))))) {
+                    /* update cached value for vamp_shift() case */
+                    ptr = mtmp->data;
                     if (flags.verbose && canseemon(mtmp))
                         pline("%s %s under the door.", Monnam(mtmp),
                               (ptr == &mons[PM_FOG_CLOUD]
-                               || ptr == &mons[PM_YELLOW_LIGHT])
+                               || ptr->mlet == S_LIGHT)
                                   ? "flows"
                                   : "oozes");
                 } else if (here->doormask & D_LOCKED && can_unlock) {