diff --git a/doc/fixes3-7-0.txt b/doc/fixes3-7-0.txt
index 7b0f5de4e..33995e453 100644
--- a/doc/fixes3-7-0.txt
+++ b/doc/fixes3-7-0.txt
@@ -974,7 +974,8 @@ bigroom variant 2 may have ice floor in unlit areas
 some large monsters can knock back smaller monsters with a hit
 change Demonbane to a mace, make it the first sac gift for priests,
 	and give it an invoke ability to banish demons
-wielding Giantslayer prevents knockback from larger monsters
+wielding Giantslayer prevents knockback from larger monsters; likewise for
+	carried loadstone(s)
 scared hostile monster which cannot move away will attack
 prevent a fog cloud that has engulfed the hero from moving under closed doors
 allow cutting a known spider web with wielded weapon by force-fighting the web
diff --git a/src/uhitm.c b/src/uhitm.c
index c2fbd396d..25041fd39 100644
--- a/src/uhitm.c
+++ b/src/uhitm.c
@@ -4616,6 +4616,12 @@ m_is_steadfast(struct monst *mtmp)
 
     if (is_art(otmp, ART_GIANTSLAYER))
         return TRUE;
+
+    /* steadfast if carrying any loadstone (and not floating or flying) */
+    for (otmp = is_u ? g.invent : mtmp->minvent; otmp; otmp = otmp->nobj)
+        if (otmp->otyp == LOADSTONE)
+            return TRUE;
+
     return FALSE;
 }