diff --git a/src/gui/lua/lua_cc_window.cpp b/src/gui/lua/lua_cc_window.cpp
index 754a1c16d..03313ca22 100644
--- a/src/gui/lua/lua_cc_window.cpp
+++ b/src/gui/lua/lua_cc_window.cpp
@@ -161,7 +161,7 @@ int CLuaInstCCWindow::CCWindowNew(lua_State *L)
 				buttons.push_back(btnSblue);
 			}
 			if (!buttons.empty())
-				footer->setButtonLabels(buttons, dx-20, (dx-20) / (buttons.size()+1));
+				footer->setButtonLabels(buttons, (*udata)->w->getWidth()-20, ((*udata)->w->getWidth()-20) / (buttons.size()+1));
 		}
 	}