diff --git a/src/pulsecore/core-rtclock.c b/src/pulsecore/core-rtclock.c
index 2c2e28631..b946a3fb1 100644
--- a/src/pulsecore/core-rtclock.c
+++ b/src/pulsecore/core-rtclock.c
@@ -65,7 +65,7 @@ pa_usec_t pa_rtclock_age(const struct timeval *tv) {
 
 struct timeval *pa_rtclock_get(struct timeval *tv) {
 
-#if defined(OS_IS_DARWIN)
+#if defined(OS_IS_DARWIN) && !defined(HAVE_CLOCK_GETTIME)
     uint64_t val, abs_time = mach_absolute_time();
     Nanoseconds nanos;