diff --git a/src/main/java/net/minestom/server/item/ItemStack.java b/src/main/java/net/minestom/server/item/ItemStack.java
index 5e30715e1..dd795a30a 100644
--- a/src/main/java/net/minestom/server/item/ItemStack.java
+++ b/src/main/java/net/minestom/server/item/ItemStack.java
@@ -189,12 +189,12 @@ public final class ItemStack implements TagReadable, HoverEventSource<HoverEvent
 
     @Contract(pure = true)
     public boolean isAir() {
-        return material.equals(Material.AIR);
+        return material == Material.AIR;
     }
 
     @Contract(pure = true)
     public boolean isSimilar(@NotNull ItemStack itemStack) {
-        return material.equals(itemStack.material) &&
+        return material == itemStack.material &&
                 meta.equals(itemStack.meta);
     }