diff --git a/packages/i/isocline/xmake.lua b/packages/i/isocline/xmake.lua
index 42576b10f32..2e007ea0911 100644
--- a/packages/i/isocline/xmake.lua
+++ b/packages/i/isocline/xmake.lua
@@ -17,6 +17,12 @@ package("isocline")
                 if is_plat("windows") and is_kind("shared") then
                     add_rules("utils.symbols.export_all")
                 end
+                if is_plat("macosx") then
+                    add_cflags("-Wimplicit-int-conversion", "-Wsign-conversion")
+                end
+                if is_plat("mingw") then
+                    add_cflags("-Wsign-conversion", "-Wno-missing-braces", "-Wint-conversion")
+                end
         ]])
         local configs = {}
         import("package.tools.xmake").install(package, configs)