1 files changed, 2 insertions, 2 deletions
diff --git a/src/gui/windows/inventorywindow.h b/src/gui/windows/inventorywindow.h
index e1acc962b..81cfd38e4 100644
--- a/src/gui/windows/inventorywindow.h
+++ b/src/gui/windows/inventorywindow.h
@@ -154,8 +154,8 @@ class InventoryWindow final : public Window,
         void unsetInventory();
 
         void attributeChanged(const AttributesT id,
-                              const int oldVal,
-                              const int newVal) override final;
+                              const int64_t oldVal,
+                              const int64_t newVal) override final;
 
         void combineItems(const int index1,
                           const int index2);