diff --git a/src/main/java/net/minestom/server/advancements/Advancement.java b/src/main/java/net/minestom/server/advancements/Advancement.java
index 2610d0876..6b9310e70 100644
--- a/src/main/java/net/minestom/server/advancements/Advancement.java
+++ b/src/main/java/net/minestom/server/advancements/Advancement.java
@@ -60,7 +60,7 @@ public class Advancement {
     public Advancement(@NotNull JsonMessage title, @NotNull JsonMessage description,
                        @NotNull Material icon, @NotNull FrameType frameType,
                        float x, float y) {
-        this(title, description, ItemStack.of(icon, 1), frameType, x, y);
+        this(title, description, ItemStack.of(icon), frameType, x, y);
     }
 
     public Advancement(@NotNull Component title, Component description,
@@ -77,7 +77,7 @@ public class Advancement {
     public Advancement(@NotNull Component title, @NotNull Component description,
                        @NotNull Material icon, @NotNull FrameType frameType,
                        float x, float y) {
-        this(title, description, ItemStack.of(icon, 1), frameType, x, y);
+        this(title, description, ItemStack.of(icon), frameType, x, y);
     }
 
     /**
diff --git a/src/main/java/net/minestom/server/entity/metadata/item/ItemContainingMeta.java b/src/main/java/net/minestom/server/entity/metadata/item/ItemContainingMeta.java
index ac3066584..9fbb9c0a7 100644
--- a/src/main/java/net/minestom/server/entity/metadata/item/ItemContainingMeta.java
+++ b/src/main/java/net/minestom/server/entity/metadata/item/ItemContainingMeta.java
@@ -13,7 +13,7 @@ class ItemContainingMeta extends EntityMeta {
 
     protected ItemContainingMeta(@NotNull Entity entity, @NotNull Metadata metadata, @NotNull Material defaultItemMaterial) {
         super(entity, metadata);
-        this.defaultItem = ItemStack.of(defaultItemMaterial, 1);
+        this.defaultItem = ItemStack.of(defaultItemMaterial);
     }
 
     @NotNull