diff --git a/src/creatures/monsters/spawns/spawn_monster.cpp b/src/creatures/monsters/spawns/spawn_monster.cpp
index 153db66dee4..7d7bbc84e34 100644
--- a/src/creatures/monsters/spawns/spawn_monster.cpp
+++ b/src/creatures/monsters/spawns/spawn_monster.cpp
@@ -327,7 +327,7 @@ void SpawnMonster::scheduleSpawn(uint32_t spawnMonsterId, spawnBlock_t &sb, cons
 }
 
 void SpawnMonster::cleanup() {
-	for (auto it = spawnedMonsterMap.begin(); it != spawnedMonsterMap.end(); ) {
+	for (auto it = spawnedMonsterMap.begin(); it != spawnedMonsterMap.end();) {
 		const auto &monster = it->second;
 		if (!monster || monster->isRemoved()) {
 			auto spawnIt = spawnMonsterMap.find(it->first);