diff --git a/src/gui/luainstance.cpp b/src/gui/luainstance.cpp
index 1ebd62a12..31871e117 100644
--- a/src/gui/luainstance.cpp
+++ b/src/gui/luainstance.cpp
@@ -1319,8 +1319,10 @@ void CLuaInstance::CWindowRegister(lua_State *L)
 		{ "hide", CLuaInstance::CWindowHide },
 		{ "setCaption", CLuaInstance::CWindowSetCaption },
 		{ "paintHeader", CLuaInstance::CWindowPaintHeader },
-		{ "header_height", CLuaInstance::CWindowGetHeaderHeight },
-		{ "footer_height", CLuaInstance::CWindowGetFooterHeight },
+		{ "headerHeight", CLuaInstance::CWindowGetHeaderHeight },
+		{ "footerHeight", CLuaInstance::CWindowGetFooterHeight },
+		{ "header_height", CLuaInstance::CWindowGetHeaderHeight_dep }, /* function 'header_height' is deprecated */
+		{ "footer_height", CLuaInstance::CWindowGetFooterHeight_dep }, /* function 'footer_height' is deprecated */
 		{ "__gc", CLuaInstance::CWindowDelete },
 		{ NULL, NULL }
 	};
@@ -1455,6 +1457,20 @@ int CLuaInstance::CWindowPaintHeader(lua_State *L)
 	return 0;
 }
 
+// function 'header_height' is deprecated
+int CLuaInstance::CWindowGetHeaderHeight_dep(lua_State *L)
+{
+	functionDeprecated(L, "header_height", "headerHeight");
+	return CWindowGetHeaderHeight(L);
+}
+
+// function 'footer_height' is deprecated
+int CLuaInstance::CWindowGetFooterHeight_dep(lua_State *L)
+{
+	functionDeprecated(L, "footer_height", "footerHeight");
+	return CWindowGetFooterHeight(L);
+}
+
 int CLuaInstance::CWindowGetHeaderHeight(lua_State *L)
 {
 	CLuaCWindow *m = CWindowCheck(L, 1);
diff --git a/src/gui/luainstance.h b/src/gui/luainstance.h
index da2703ffb..245a74459 100644
--- a/src/gui/luainstance.h
+++ b/src/gui/luainstance.h
@@ -215,6 +215,8 @@ private:
 	static int CWindowPaintHeader(lua_State *L);
 	static int CWindowGetHeaderHeight(lua_State *L);
 	static int CWindowGetFooterHeight(lua_State *L);
+	static int CWindowGetHeaderHeight_dep(lua_State *L); // function 'header_height' is deprecated
+	static int CWindowGetFooterHeight_dep(lua_State *L); // function 'footer_height' is deprecated
 	static int CWindowDelete(lua_State *L);
 
 	static CLuaSignalBox *SignalBoxCheck(lua_State *L, int n);