diff --git a/core/misc/platform_thread.h b/core/misc/platform_thread.h
index 556bac1..d495ab9 100644
--- a/core/misc/platform_thread.h
+++ b/core/misc/platform_thread.h
@@ -7,6 +7,8 @@
 #include <pthread.h>
 #elif PLATFORM_MACOS
 #include <pthread.h>
+#include <mach/thread_policy.h>
+#include <mach/thread_act.h>
 #endif
 
 inline void set_thread_name(const char* name) {
@@ -23,10 +25,24 @@ inline void set_thread_affinity(std::thread& thread, int core) {
 #if PLATFORM_WINDOWS
     const auto handle = reinterpret_cast<HANDLE>(thread.native_handle());
     SetThreadAffinityMask(handle, 1 << core);
-#elif PLATFORM_LINUX || PLATFORM_MACOS
+#elif PLATFORM_LINUX
     cpu_set_t cpuset;
     CPU_ZERO(&cpuset);
     CPU_SET(core, &cpuset);
     pthread_setaffinity_np(thread.native_handle(), sizeof(cpu_set_t), &cpuset);
+#elif PLATFORM_MACOS
+    thread_affinity_policy_data_t policy = { core };
+    kern_return_t result = thread_policy_set(
+        pthread_mach_thread_np(thread.native_handle()),
+        THREAD_AFFINITY_POLICY,
+        (thread_policy_t)&policy,
+        THREAD_AFFINITY_POLICY_COUNT
+    );
+
+    if (result != KERN_SUCCESS) {
+        spdlog::error("Failed to set thread affinity: {}", result);
+    } else {
+        spdlog::info("Thread bound to core {}", core);
+    }
 #endif
 }