From 00c9277cfeb2c5be72845ae332e8820c1f1101f8 Mon Sep 17 00:00:00 2001
From: nhmall <nhmall@nethack.org>
Date: Tue, 29 Dec 2020 17:49:30 -0500
Subject: [PATCH] usage of whichpm in new gender code required a null ptr guard

---
 src/read.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/read.c b/src/read.c
index a6fa79b1a..fa790026f 100644
--- a/src/read.c
+++ b/src/read.c
@@ -2591,7 +2591,8 @@ struct _create_particular_data *d;
         if (d->genderconf == -1) {
             /* no confict exists between explicit gender term and
                the specified monster name */
-            if (d->fem != -1 && !is_male(whichpm) && !is_female(whichpm))
+            if (d->fem != -1
+                && (!whichpm || (!is_male(whichpm) && !is_female(whichpm))))
                 mmflags |= (d->fem == FEMALE) ? MM_FEMALE
                                : (d->fem == MALE) ? MM_MALE : 0;
         } else {