diff --git a/GpApp/Link.cpp b/GpApp/Link.cpp
index 83607dc..629b094 100644
--- a/GpApp/Link.cpp
+++ b/GpApp/Link.cpp
@@ -244,12 +244,13 @@ void OpenLinkWindow (void)
 		basicState.m_text.Set(4, "Link");
 		basicState.m_window = linkWindow;
 
-		linkControl = PortabilityLayer::ButtonWidget::Create(basicState, nullptr);
+		PortabilityLayer::ButtonWidget::AdditionalData addlData;
+		linkControl = PortabilityLayer::ButtonWidget::Create(basicState, &addlData);
 
 		basicState.m_rect = Rect::Create(5, 5, 25, 59);
 		basicState.m_text.Set(6, "Unlink");
 		basicState.m_window = linkWindow;
-		unlinkControl = PortabilityLayer::ButtonWidget::Create(basicState, nullptr);
+		unlinkControl = PortabilityLayer::ButtonWidget::Create(basicState, &addlData);
 
 		linkWindow->DrawControls();