diff -uap webalizer-2.23-05/hashtab.c.groupvisit webalizer-2.23-05/hashtab.c
--- webalizer-2.23-05/hashtab.c.groupvisit	2011-01-10 01:47:49.000000000 +0000
+++ webalizer-2.23-05/hashtab.c	2011-07-14 09:26:11.645377843 +0100
@@ -88,6 +88,8 @@ INODEPTR im_htab[MAXHASH];              
 DNODEPTR host_table[MAXHASH];                 /* DNS hash table           */
 #endif  /* USE_DNS */
 
+u_long   pre_tstamp = 0;                      /* prev. real record tstamp */
+
 /* Last node pointers */
 HNODEPTR lm_hnode=NULL;
 HNODEPTR ld_hnode=NULL;
@@ -186,6 +188,7 @@ int put_hnode( char      *str,  /* Hostn
             nptr->visit=(visit-1);
             nptr->lasturl=find_url(lasturl);
             nptr->tstamp=tstamp;
+            if ((type!=OBJ_GRP)&&(nptr->flag!=OBJ_GRP)) pre_tstamp=nptr->tstamp;
             return 0;
          }
          else
@@ -195,6 +198,7 @@ int put_hnode( char      *str,  /* Hostn
                if (htab==sm_htab) update_entry(log_rec.url);
                nptr->lasturl=find_url(log_rec.url);
                nptr->tstamp=tstamp;
+               if ((type!=OBJ_GRP)&&(nptr->flag!=OBJ_GRP)) pre_tstamp=nptr->tstamp;
                nptr->visit=1;
             }
          }
@@ -225,7 +229,8 @@ int put_hnode( char      *str,  /* Hostn
 
                if (ispage(log_rec.url))
                {
-                  if ((tstamp-cptr->tstamp)>=visit_timeout)
+                  if ((type!=OBJ_GRP)&&(cptr->flag!=OBJ_GRP)) pre_tstamp=cptr->tstamp;
+                  if ((tstamp-pre_tstamp)>=visit_timeout)
                   {
                      cptr->visit++;
                      if (htab==sm_htab)
@@ -262,6 +267,7 @@ int put_hnode( char      *str,  /* Hostn
             nptr->visit = (visit-1);
             nptr->lasturl=find_url(lasturl);
             nptr->tstamp= tstamp;
+            if ((type!=OBJ_GRP)&&(nptr->flag!=OBJ_GRP)) pre_tstamp=nptr->tstamp;
             return 0;
          }
          else
@@ -271,6 +277,7 @@ int put_hnode( char      *str,  /* Hostn
                if (htab==sm_htab) update_entry(log_rec.url);
                nptr->lasturl=find_url(log_rec.url);
                nptr->tstamp= tstamp;
+               if ((type!=OBJ_GRP)&&(nptr->flag!=OBJ_GRP)) pre_tstamp=nptr->tstamp;
                nptr->visit=1;
             }
          }
@@ -875,11 +882,16 @@ int put_inode( char      *str,  /* ident
          {
             nptr->visit=(visit-1);
             nptr->tstamp=tstamp;
+            if ((type!=OBJ_GRP)&&(nptr->flag!=OBJ_GRP)) pre_tstamp=nptr->tstamp;
             return 0;
          }
          else
          {
-            if (ispage(log_rec.url)) nptr->tstamp=tstamp;
+            if (ispage(log_rec.url)) 
+            {
+               nptr->tstamp=tstamp;
+               if ((type!=OBJ_GRP)&&(nptr->flag!=OBJ_GRP)) pre_tstamp=nptr->tstamp;
+            }
          }
       }
    }
@@ -899,7 +911,8 @@ int put_inode( char      *str,  /* ident
 
                if (ispage(log_rec.url))
                {
-                  if ((tstamp-cptr->tstamp)>=visit_timeout)
+                  if ((type!=OBJ_GRP)&&(cptr->flag!=OBJ_GRP)) pre_tstamp=cptr->tstamp;
+                  if ((tstamp-pre_tstamp)>=visit_timeout)
                      cptr->visit++;
                   cptr->tstamp=tstamp;
                }
@@ -923,11 +936,16 @@ int put_inode( char      *str,  /* ident
          {
             nptr->visit = (visit-1);
             nptr->tstamp= tstamp;
+            if ((type!=OBJ_GRP)&&(nptr->flag!=OBJ_GRP)) pre_tstamp=nptr->tstamp;
             return 0;
          }
          else
          {
-            if (ispage(log_rec.url)) nptr->tstamp= tstamp;
+            if (ispage(log_rec.url))
+            {
+               nptr->tstamp= tstamp;
+               if ((type!=OBJ_GRP)&&(nptr->flag!=OBJ_GRP)) pre_tstamp=nptr->tstamp;
+            }
          }
       }
    }