diff --git a/src/timesync/timesyncd-manager.c b/src/timesync/timesyncd-manager.c
index 2b731af9e3f..404a2b18943 100644
--- a/src/timesync/timesyncd-manager.c
+++ b/src/timesync/timesyncd-manager.c
@@ -604,7 +604,7 @@ static int manager_receive_response(sd_event_source *source, int fd, uint32_t re
         m->dest_time = *recv_time;
         m->spike = spike;
 
-        log_debug("interval/delta/delay/jitter/drift " USEC_FMT "s/%+.3fs/%.3fs/%.3fs/%+"PRI_TIMEX"ppm%s",
+        log_debug("interval/delta/delay/jitter/drift " USEC_FMT "s/%+.3fs/%.3fs/%.3fs/%+"PRIi64"ppm%s",
                   m->poll_interval_usec / USEC_PER_SEC, offset, delay, m->samples_jitter, m->drift_freq / 65536,
                   spike ? " (ignored)" : "");
 
diff --git a/src/timesync/timesyncd-manager.h b/src/timesync/timesyncd-manager.h
index d8d97cc1ee9..18347416d14 100644
--- a/src/timesync/timesyncd-manager.h
+++ b/src/timesync/timesyncd-manager.h
@@ -79,7 +79,7 @@ struct Manager {
         /* last change */
         bool jumped;
         bool sync;
-        long drift_freq;
+        int64_t drift_freq;
 
         /* watch for time changes */
         sd_event_source *event_clock_watch;