diff --git a/Source/monster.cpp b/Source/monster.cpp
index 670da0a3d..50965cac7 100644
--- a/Source/monster.cpp
+++ b/Source/monster.cpp
@@ -3720,7 +3720,7 @@ void InitMonsterGFX(int monsterTypeIndex)
 		MissileSpriteData[MFILE_FIREPLAR].LoadGFX();
 }
 
-void monster_some_crypt()
+void WeakenNaKrul()
 {
 	if (currlevel != 24 || UberDiabloMonsterIndex < 0 || UberDiabloMonsterIndex >= ActiveMonsterCount)
 		return;
diff --git a/Source/monster.h b/Source/monster.h
index af0c76884..7737445f7 100644
--- a/Source/monster.h
+++ b/Source/monster.h
@@ -276,7 +276,7 @@ void PrepareUniqueMonst(Monster &monster, int uniqindex, int miniontype, int bos
 void InitLevelMonsters();
 void GetLevelMTypes();
 void InitMonsterGFX(int monsterTypeIndex);
-void monster_some_crypt();
+void WeakenNaKrul();
 void InitGolems();
 void InitMonsters();
 void SetMapMonsters(const uint16_t *dunData, Point startPosition);
diff --git a/Source/msg.cpp b/Source/msg.cpp
index 84100ccb1..7cb382125 100644
--- a/Source/msg.cpp
+++ b/Source/msg.cpp
@@ -2087,7 +2087,7 @@ DWORD OnNakrul(const TCmd *pCmd)
 		}
 		IsUberRoomOpened = true;
 		Quests[Q_NAKRUL]._qactive = QUEST_DONE;
-		monster_some_crypt();
+		WeakenNaKrul();
 	}
 	return sizeof(*pCmd);
 }