diff --git a/scp.c b/scp.c
index c78b187a..f1a4d7ff 100644
--- a/scp.c
+++ b/scp.c
@@ -5126,7 +5126,7 @@ static void sim_debug_prefix (uint32 dbits, DEVICE* dptr)
 {
 if (!debug_unterm) {
     char* debug_type = get_dbg_verb (dbits, dptr);
-    fprintf(sim_deb, debug_fmt, sim_time, dptr->name, debug_type);
+    fprintf(sim_deb, debug_fmt, sim_gtime(), dptr->name, debug_type);
     }
 }
 
@@ -5233,7 +5233,7 @@ if (sim_deb && (dptr->dctrl & dbits)) {
                 if (debug_unterm)
                     fprintf (sim_deb, "%.*s\r\n", i-j, &buf[j]);
                 else                                    /* print prefix when required */
-                    fprintf (sim_deb, "DBG(%.0f)> %s %s: %.*s\r\n", sim_time, dptr->name, debug_type, i-j, &buf[j]);
+                    fprintf (sim_deb, "DBG(%.0f)> %s %s: %.*s\r\n", sim_gtime(), dptr->name, debug_type, i-j, &buf[j]);
                 debug_unterm = 0;
                 }
             j = i + 1;