diff --git a/src/main/java/net/mcreator/superbwarfare/block/menu/ReforgingTableMenu.java b/src/main/java/net/mcreator/superbwarfare/block/menu/ReforgingTableMenu.java
index cde5837bb..bec7367ed 100644
--- a/src/main/java/net/mcreator/superbwarfare/block/menu/ReforgingTableMenu.java
+++ b/src/main/java/net/mcreator/superbwarfare/block/menu/ReforgingTableMenu.java
@@ -445,9 +445,15 @@ public class ReforgingTableMenu extends AbstractContainerMenu {
         }
 
         public boolean mayPlace(ItemStack pStack) {
+            var slot = switch (type) {
+                case AMMO -> AMMO_PERK_SLOT;
+                case FUNCTIONAL -> FUNC_PERK_SLOT;
+                case DAMAGE -> DAMAGE_PERK_SLOT;
+            };
+
             return pStack.getItem() instanceof PerkItem perkItem && perkItem.getPerk().type == type
                     && !container.getItem(INPUT_SLOT).isEmpty() && container.getItem(INPUT_SLOT).getItem() instanceof GunItem gunItem
-                    && gunItem.canApplyPerk(perkItem.getPerk());
+                    && gunItem.canApplyPerk(perkItem.getPerk()) && container.getItem(slot).isEmpty();
         }
 
         public int getMaxStackSize() {
diff --git a/src/main/java/net/mcreator/superbwarfare/client/screens/ReforgingTableScreen.java b/src/main/java/net/mcreator/superbwarfare/client/screens/ReforgingTableScreen.java
index 813f02bc8..59ba661e4 100644
--- a/src/main/java/net/mcreator/superbwarfare/client/screens/ReforgingTableScreen.java
+++ b/src/main/java/net/mcreator/superbwarfare/client/screens/ReforgingTableScreen.java
@@ -40,7 +40,7 @@ public class ReforgingTableScreen extends AbstractContainerScreen<ReforgingTable
     public void render(GuiGraphics pGuiGraphics, int pMouseX, int pMouseY, float pPartialTick) {
         this.renderBackground(pGuiGraphics);
         super.render(pGuiGraphics, pMouseX, pMouseY, pPartialTick);
-        this.renderTooltip(pGuiGraphics, pMouseX, pMouseY);
+
         var ammoPerkLevel = ReforgingTableScreen.this.menu.ammoPerkLevel.get();
         var funcPerkLevel = ReforgingTableScreen.this.menu.funcPerkLevel.get();
         var damagePerkLevel = ReforgingTableScreen.this.menu.damagePerkLevel.get();
@@ -62,6 +62,8 @@ public class ReforgingTableScreen extends AbstractContainerScreen<ReforgingTable
         int pointS = upgradePoint % 10;
         pGuiGraphics.blit(TEXTURE, this.leftPos + 43, this.topPos + 20, 51 + 5 * pointG, 178, 5, 5, 200, 200);
         pGuiGraphics.blit(TEXTURE, this.leftPos + 47, this.topPos + 20, 51 + 5 * pointS, 178, 5, 5, 200, 200);
+
+        this.renderTooltip(pGuiGraphics, pMouseX, pMouseY);
     }
 
     @Override