diff --git a/Source/missiles.cpp b/Source/missiles.cpp
index 2a1816348..f2e8b5620 100644
--- a/Source/missiles.cpp
+++ b/Source/missiles.cpp
@@ -1342,7 +1342,7 @@ void AddBerserk(MissileStruct &missile, Point dst, Direction /*midir*/)
 
 			if (monster._uniqtype != 0 || monster._mAi == AI_DIABLO)
 				continue;
-			if (monster._mmode == MonsterMode::FadeIn || monster._mmode == MonsterMode::FadeOut)
+			if (IsAnyOf(monster._mmode, MonsterMode::FadeIn, MonsterMode::FadeOut))
 				continue;
 			if ((monster.mMagicRes & IMMUNE_MAGIC) != 0)
 				continue;
diff --git a/Source/monster.cpp b/Source/monster.cpp
index d5b924796..f90aa6636 100644
--- a/Source/monster.cpp
+++ b/Source/monster.cpp
@@ -4187,9 +4187,7 @@ void GolumAi(int i)
 		return;
 	}
 
-	if (golem._mmode == MonsterMode::Death
-	    || golem._mmode == MonsterMode::SpecialStand
-	    || golem.IsWalking()) {
+	if (IsAnyOf(golem._mmode, MonsterMode::Death, MonsterMode::SpecialStand) || golem.IsWalking()) {
 		return;
 	}
 
@@ -5006,7 +5004,7 @@ void decode_enemy(MonsterStruct &monster, int enemy)
 
 void MonsterStruct::CheckStandAnimationIsLoaded(Direction mdir)
 {
-	if (_mmode == MonsterMode::Stand || _mmode == MonsterMode::Talk) {
+	if (IsAnyOf(_mmode, MonsterMode::Stand, MonsterMode::Talk)) {
 		_mdir = mdir;
 		AnimInfo.pCelSprite = &*MType->GetAnimData(MonsterGraphic::Stand).CelSpritesForDirections[mdir];
 	}
diff --git a/Source/sync.cpp b/Source/sync.cpp
index 3fd38173d..6456cec6a 100644
--- a/Source/sync.cpp
+++ b/Source/sync.cpp
@@ -167,7 +167,7 @@ void SyncMonster(int pnum, const TSyncMonster *p)
 	if (monster.position.future.x == p->_mx && monster.position.future.y == p->_my) {
 		return;
 	}
-	if (monster._mmode == MonsterMode::Charge || monster._mmode == MonsterMode::Petrified) {
+	if (IsAnyOf(monster._mmode, MonsterMode::Charge, MonsterMode::Petrified)) {
 		return;
 	}