diff --git a/src/main/java/ru/bitheaven/createairfabric/mixin/EntityOxygenSystemMixin.java b/src/main/java/ru/bitheaven/createairfabric/mixin/EntityOxygenSystemMixin.java
new file mode 100644
index 0000000..8954ee7
--- /dev/null
+++ b/src/main/java/ru/bitheaven/createairfabric/mixin/EntityOxygenSystemMixin.java
@@ -0,0 +1,25 @@
+package ru.bitheaven.createairfabric.mixin;
+
+import com.simibubi.create.content.equipment.armor.BacktankUtil;
+import com.simibubi.create.content.equipment.armor.DivingHelmetItem;
+import earth.terrarium.ad_astra.common.entity.system.EntityOxygenSystem;
+import earth.terrarium.ad_astra.common.util.ModUtils;
+import net.minecraft.world.entity.LivingEntity;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+@Mixin(EntityOxygenSystem.class)
+public abstract class EntityOxygenSystemMixin {
+    /**
+     * Make air exists if Create Air
+     */
+    @Redirect(at = @At(value = "INVOKE", target = "Learth/terrarium/ad_astra/common/util/ModUtils;armourIsOxygenated(Lnet/minecraft/world/entity/LivingEntity;)Z"),
+            method = "oxygenTick(Lnet/minecraft/world/entity/LivingEntity;Lnet/minecraft/server/level/ServerLevel;)V")
+    private static boolean redirectOxygenTick(LivingEntity entity) {
+        boolean createOxygen = true;
+        createOxygen &= !DivingHelmetItem.getWornItem(entity).isEmpty();
+        createOxygen &= !BacktankUtil.getAllWithAir(entity).isEmpty();
+        return ModUtils.armourIsOxygenated(entity) || createOxygen;
+    }
+}