session BUGFIX monotonic clock cannot be used for absolute time value
diff --git a/src/session.c b/src/session.c
index ba55dbc..97d561e 100644
--- a/src/session.c
+++ b/src/session.c
@@ -49,9 +49,7 @@
 int
 nc_gettimespec(struct timespec *ts)
 {
-#ifdef CLOCK_MONOTONIC
-    return clock_gettime(CLOCK_MONOTONIC, ts);
-#elif defined CLOCK_REALTIME
+#ifdef CLOCK_REALTIME
     return clock_gettime(CLOCK_REALTIME, ts);
 #else
     int rc;