3 files changed, 4 insertions, 5 deletions
diff --git a/tests/projects/c++/modules/stdmodules/src/my_module.cpp b/tests/projects/c++/modules/stdmodules/src/my_module.cpp
index b87808a6e..ab3119785 100644
--- a/tests/projects/c++/modules/stdmodules/src/my_module.cpp
+++ b/tests/projects/c++/modules/stdmodules/src/my_module.cpp
@@ -2,4 +2,4 @@ module my_module;
 
 import std;
 
-auto my_sum(size_t a, size_t b) -> size_t { return a + b; }
+auto my_sum(std::size_t a, std::size_t b) -> std::size_t { return a + b; }
diff --git a/tests/projects/c++/modules/stdmodules/src/my_module.mpp b/tests/projects/c++/modules/stdmodules/src/my_module.mpp
index bbebb2766..a1cd98e57 100644
--- a/tests/projects/c++/modules/stdmodules/src/my_module.mpp
+++ b/tests/projects/c++/modules/stdmodules/src/my_module.mpp
@@ -2,4 +2,4 @@ export module my_module;
 
 import std;
 
-export auto my_sum(size_t a, size_t b) -> size_t;
+export auto my_sum(std::size_t a, std::size_t b) -> std::size_t;
diff --git a/tests/projects/c++/modules/stdmodules/xmake.lua b/tests/projects/c++/modules/stdmodules/xmake.lua
index 0603a4c51..02447729c 100644
--- a/tests/projects/c++/modules/stdmodules/xmake.lua
+++ b/tests/projects/c++/modules/stdmodules/xmake.lua
@@ -3,11 +3,10 @@ set_languages("c++latest")
 
 target("mod")
     set_kind("static")
-    add_files("src/*.cpp", "src/*.mpp")
-    set_policy("build.c++.clang.stdmodules", true)
+    add_files("src/*.cpp")
+    add_files("src/*.mpp", {public = true})
 
 target("stdmodules")
     set_kind("binary")
     add_files("test/*.cpp")
     add_deps("mod")
-    set_policy("build.c++.clang.stdmodules", true)