diff --git a/src/gui/guiInventoryList.cpp b/src/gui/guiInventoryList.cpp
index b8ed324c3..82e769102 100644
--- a/src/gui/guiInventoryList.cpp
+++ b/src/gui/guiInventoryList.cpp
@@ -205,6 +205,9 @@ bool GUIInventoryList::OnEvent(const SEvent &event)
 
 	bool ret = hovered->OnEvent(event);
 
+	// Set visible again *after* processing the event. Otherwise, hovered could
+	// be another GUIInventoryList, which will call this one again, resulting in
+	// an infinite loop.
 	IsVisible = was_visible;
 
 	return ret;