diff --git a/source/glerminal-main.cpp b/source/glerminal-main.cpp
index 233c798..af94735 100644
--- a/source/glerminal-main.cpp
+++ b/source/glerminal-main.cpp
@@ -112,7 +112,7 @@ namespace
 	{
 		const char* error_message = lua_tostring(L, -1);
 
-		luaL_traceback(L, L, error_message, 0);
+		luaL_traceback(L, L, error_message, 1);
 
 		const char* err = lua_tostring(L, -1);
 
@@ -215,13 +215,24 @@ int main(int argc, char** argv)
 	luaL_newlib(L, lglerminal_methods);
 	lua_setglobal(L, "glerminal");
 
-	if (luaL_dofile(L, "main.lua") != LUA_OK)
+	lua_pushcfunction(L, message_handler);
+	const int handler = lua_gettop(L);
+	if (luaL_loadfile(L, "main.lua") != LUA_OK)
 	{
 		const char* str = lua_tostring(L, -1);
+		std::cout << str << std::endl;
 		lua_pop(L, 1);
 	}
-
-	glerminal_run(init, mainloop, pressed, released);
+	else if (lua_pcall(L, 0, LUA_MULTRET, handler) != LUA_OK)
+	{
+		const char* str = lua_tostring(L, -1);
+		std::cout << str << std::endl;
+		lua_pop(L, 1);
+	}
+	else
+	{
+		glerminal_run(init, mainloop, pressed, released);
+	}
 
 	lua_close(L);
 
diff --git a/source/glerminal.cpp b/source/glerminal.cpp
index 1217679..93a7542 100644
--- a/source/glerminal.cpp
+++ b/source/glerminal.cpp
@@ -296,6 +296,7 @@ namespace glerminal
 
 		glfwSwapInterval(0);
 		glfwSwapBuffers(m_window);
+		glBlitNamedFramebuffer(m_screen_framebuffer, 0, 0, 0, SCREEN_WIDTH, SCREEN_HEIGHT, 0, 0, SCREEN_WIDTH, SCREEN_HEIGHT, GL_COLOR_BUFFER_BIT, GL_NEAREST);
 		glfwSwapInterval(1);
 		glfwSwapBuffers(m_window);
 	}