diff --git a/xmake/modules/package/tools/gn.lua b/xmake/modules/package/tools/gn.lua
index 2f4d953e15e..cdcbc298af7 100644
--- a/xmake/modules/package/tools/gn.lua
+++ b/xmake/modules/package/tools/gn.lua
@@ -66,7 +66,7 @@ function _get_configs(package, configs, opt)
     elseif package:is_arch("arm.*") then
         configs.target_cpu = "arm"
     end
-    configs.is_debug = package:is_debug()
+    configs.is_debug = package:is_debug() and "true" or "false"
     return configs
 end