diff --git a/packages/j/joltphysics/xmake.lua b/packages/j/joltphysics/xmake.lua
index 40d4222a1..4e8622962 100644
--- a/packages/j/joltphysics/xmake.lua
+++ b/packages/j/joltphysics/xmake.lua
@@ -60,7 +60,7 @@ package("joltphysics")
             package:add("defines", "JPH_OBJECT_LAYER_BITS=" .. package:config("object_layer_bits"))
         end
         if package:is_plat("windows") and not package:config("shared") then
-            package:add("syslinks", "Advapi32")
+            package:add("syslinks", "advapi32")
         end
         package:add("defines", "JPH_PROFILE_ENABLED")
         if package:is_plat("windows") then
@@ -86,7 +86,7 @@ package("joltphysics")
         end
         if package:is_arch("i386", "x86", "x64", "x86_64") then
             -- add instruction sets (from https://github.com/jrouwe/JoltPhysics/blob/4cd52055e09160affcafa557b39520331bf0d034/Jolt/Jolt.cmake#L602)
-            if package:has_tool("cxx", "cl") then
+            if package:is_plat("windows") then
                 if package:config("inst_avx512") then
                     package:add("cxxflags", "/arch:AVX512")
                 elseif package:config("inst_avx2") then