1 files changed, 3 insertions, 0 deletions
diff --git a/src/gui/windows/npcdialog.h b/src/gui/windows/npcdialog.h
index 7868fd7d1..db9310f29 100644
--- a/src/gui/windows/npcdialog.h
+++ b/src/gui/windows/npcdialog.h
@@ -36,6 +36,7 @@ class Being;
 class Button;
 class BrowserBox;
 class ComplexInventory;
+class ComplexItem;
 class Container;
 class ExtendedListBox;
 class ItemLinkHandler;
@@ -253,6 +254,8 @@ class NpcDialog final : public Window,
 
         void restoreVirtuals();
 
+        std::string complexItemToStr(const ComplexItem *const item);
+
         BeingId mNpcId;
 
         int mDefaultInt;