1 files changed, 3 insertions, 3 deletions
diff --git a/src/main/java/gregtech/api/objects/GT_ItemStack.java b/src/main/java/gregtech/api/objects/GT_ItemStack.java
index f865b348a0..9791cadeeb 100644
--- a/src/main/java/gregtech/api/objects/GT_ItemStack.java
+++ b/src/main/java/gregtech/api/objects/GT_ItemStack.java
@@ -24,16 +24,16 @@ public class GT_ItemStack {
         this(GT_Utility.intToStack(aHashCode));
     }
 
-    public ItemStack toStack() {
+    public final ItemStack toStack() {
         if (mItem == null) return null;
         return new ItemStack(mItem, 1, mMetaData);
     }
 
-    public boolean isStackEqual(ItemStack aStack) {
+    public final boolean isStackEqual(ItemStack aStack) {
         return GT_Utility.areStacksEqual(toStack(), aStack);
     }
 
-    public boolean isStackEqual(GT_ItemStack aStack) {
+    public final boolean isStackEqual(GT_ItemStack aStack) {
         return GT_Utility.areStacksEqual(toStack(), aStack.toStack());
     }