diff --git a/amd_gpu/gpu.h b/amd_gpu/gpu.h
index f7e1140..230650e 100644
--- a/amd_gpu/gpu.h
+++ b/amd_gpu/gpu.h
@@ -1,6 +1,11 @@
 #pragma once
 
+#if defined(__APPLE__) || defined(__MACOSX)
+#include <OpenCL/cl.h>
+#else
 #include <CL/cl.h>
+#endif
+
 #include <stdint.h>
 
 #define ERR_SUCCESS (0)
diff --git a/minethd.cpp b/minethd.cpp
index 728abbb..967041d 100644
--- a/minethd.cpp
+++ b/minethd.cpp
@@ -48,7 +48,7 @@ void thd_setaffinity(std::thread::native_handle_type h, uint64_t cpu_id)
 {
 #if defined(__APPLE__)
 	thread_port_t mach_thread;
-	thread_affinity_policy_data_t policy = { cpu_id };
+	thread_affinity_policy_data_t policy = { (integer_t)cpu_id };
 	mach_thread = pthread_mach_thread_np(h);
 	thread_policy_set(mach_thread, THREAD_AFFINITY_POLICY, (thread_policy_t)&policy, 1);
 #else