--- src/hid_osx.c.orig	2023-02-20 16:21:28.000000000 +0800
+++ src/hid_osx.c	2023-06-20 10:42:18.000000000 +0800
@@ -12,7 +12,7 @@
 #include <signal.h>
 #include <unistd.h>
 
-#include <Availability.h>
+#include <AvailabilityMacros.h>
 #include <CoreFoundation/CoreFoundation.h>
 #include <IOKit/IOKitLib.h>
 #include <IOKit/hid/IOHIDKeys.h>
@@ -169,25 +170,27 @@
 static char *
 get_path(IOHIDDeviceRef dev)
 {
-	io_service_t	 s;
-	uint64_t	 id;
-	char		*path;
+	io_service_t	s;
+	io_string_t		path;
 
+#if MAC_OS_X_VERSION_MIN_REQUIRED > 1050 && !defined(__ppc__)
 	if ((s = IOHIDDeviceGetService(dev)) == MACH_PORT_NULL) {
 		fido_log_debug("%s: IOHIDDeviceGetService", __func__);
 		return (NULL);
 	}
+#endif
 
-	if (IORegistryEntryGetRegistryEntryID(s, &id) != KERN_SUCCESS) {
-		fido_log_debug("%s: IORegistryEntryGetRegistryEntryID",
-		    __func__);
+	if (IORegistryEntryGetPath(s, kIOServicePlane, path) != KERN_SUCCESS) {
+		fido_log_debug("%s: IORegistryEntryGetPath", __func__);
 		return (NULL);
 	}
 
+#if MAC_OS_X_VERSION_MIN_REQUIRED > 1050 && !defined(__ppc__)
 	if (asprintf(&path, "%s%llu", IOREG, (unsigned long long)id) == -1) {
 		fido_log_error(errno, "%s: asprintf", __func__);
 		return (NULL);
 	}
+#endif
 
 	return (path);
 }