diff --git a/src/detection/tpm/tpm_apple.c b/src/detection/tpm/tpm_apple.c
index 8e22d5dc9..daef285e9 100644
--- a/src/detection/tpm/tpm_apple.c
+++ b/src/detection/tpm/tpm_apple.c
@@ -16,7 +16,7 @@ const char* ffDetectTPM(FFTPMResult* result)
     #else
 
     FF_IOOBJECT_AUTO_RELEASE io_service_t t2Service = IOServiceGetMatchingService(
-        kIOMainPortDefault,
+        MACH_PORT_NULL,
         IOServiceMatching("AppleT2"));
 
     if (t2Service) {