diff --git a/scp.c b/scp.c
index fb48f579..11676794 100644
--- a/scp.c
+++ b/scp.c
@@ -2315,6 +2315,9 @@ if (cptr && (*cptr != 0))
 fprintf (st, "%s simulator V%d.%d-%d", sim_name, vmaj, vmin, vpat);
 if (vdelt)
     fprintf (st, " delta %d", vdelt);
+#if defined(SIM_VERSION_MODE)
+fprintf (st, " %s", SIM_VERSION_MODE);
+#endif
 if (flag)
     fprintf (st, " [%s, %s, %s]", sim_si64, sim_sa64, sim_snet);
 #if defined(SIM_GIT_COMMIT_ID)
diff --git a/sim_rev.h b/sim_rev.h
index 91c549b4..6ddd3b96 100644
--- a/sim_rev.h
+++ b/sim_rev.h
@@ -27,10 +27,22 @@
 #ifndef _SIM_REV_H_
 #define _SIM_REV_H_     0
 
+#ifndef SIM_MAJOR
 #define SIM_MAJOR       4
+#endif
+#ifndef SIM_MINOR
 #define SIM_MINOR       0
+#endif
+#ifndef SIM_PATCH
 #define SIM_PATCH       0
+#endif
+#ifndef SIM_DELTA
 #define SIM_DELTA       0
+#endif
+
+#ifndef SIM_VERSION_MODE
+#define SIM_VERSION_MODE "Beta"
+#endif
 
 /*
   The comment section below reflects the manual editing process which was in place