diff --git a/scp.c b/scp.c
index c43f606b..1d419167 100644
--- a/scp.c
+++ b/scp.c
@@ -6910,7 +6910,8 @@ if (sim_deb_switches & (SWMASK ('T') | SWMASK ('R') | SWMASK ('A'))) {
         sim_timespec_diff (&time_now, &time_now, &sim_deb_basetime);
     }
 if (sim_deb_switches & SWMASK ('T')) {
-    struct tm *now = gmtime(&time_now.tv_sec);
+    time_t tnow = (time_t)time_now.tv_sec;
+    struct tm *now = gmtime(&tnow);
 
     sprintf(tim_t, "%02d:%02d:%02d.%03d ", now->tm_hour, now->tm_min, now->tm_sec, (int)(time_now.tv_nsec/1000000));
     }