From 594eead50d9dd38e04741832314f547d0e353689 Mon Sep 17 00:00:00 2001
From: nhmall <nhmall@nethack.org>
Date: Mon, 29 Jan 2024 12:09:14 -0500
Subject: [PATCH] pick_familiar_pm follow-up

---
 src/dog.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/dog.c b/src/dog.c
index 970a04ce0..2238096a9 100644
--- a/src/dog.c
+++ b/src/dog.c
@@ -84,6 +84,7 @@ pick_familiar_pm(struct obj *otmp, boolean quietly)
     if (otmp) { /* figurine; otherwise spell */
         int mndx = otmp->corpsenm;
 
+        assert(ismnum(mndx));
         pm = &mons[mndx];
         /* activating a figurine provides one way to exceed the
            maximum number of the target critter created--unless