diff --git a/CHANGELOG b/CHANGELOG
index 4d88d94..75ed568 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -29,6 +29,15 @@ version 2.63
 
 	    Allow the target of a --cname flag to be another --cname.
 
+            Teach DHCPv6 about the RFC 4242 information-refresh-time
+	    option, and add parsing if the minutes, hours and days
+	    format for options. Thanks to Francois-Xavier Le Bail for
+	    the suggestion.
+
+	    Allow "w" (for week) as multiplier in lease times, as well
+	    as seconds, minutes, hours and days.  Álvaro Gámez Machado 
+	    spotted the ommission.
+
 
 version 2.62
             Update German translation. Thanks to Conrad Kostecki.
@@ -54,12 +63,6 @@ version 2.62
 	    two addresses in the same network. Thanks to Jim Bos for
 	    his help nailing this.
 
-            Teach DHCPv6 about the RFC 4242 information-refresh-time
-	    option, and add parsing if the minutes, hours and days
-	    format for options. Thanks to Francois-Xavier Le Bail for
-	    the suggestion.
-
-
 version 2.61
 	    Re-write interface discovery code on *BSD to use
 	    getifaddrs. This is more portable, more straightforward,
diff --git a/src/option.c b/src/option.c
index 7cdd243..e47967f 100644
--- a/src/option.c
+++ b/src/option.c
@@ -818,6 +818,10 @@ static int parse_dhcp_opt(char *errstr, char *arg, int flags)
 
 	  switch (comma[strlen(comma) - 1])
 	    {
+	    case 'w':
+	    case 'W':
+	      fac *= 7;
+	      /* fall through */
 	    case 'd':
 	    case 'D':
 	      fac *= 24;
@@ -2156,6 +2160,10 @@ static int one_opt(int option, char *arg, char *errstr, char *gen_err, int comma
 		  {
 		    switch (a[leasepos][strlen(a[leasepos]) - 1])
 		      {
+		      case 'w':
+		      case 'W':
+			fac *= 7;
+			/* fall through */
 		      case 'd':
 		      case 'D':
 			fac *= 24;
@@ -2306,6 +2314,10 @@ static int one_opt(int option, char *arg, char *errstr, char *gen_err, int comma
 		  last = *lastp;
 		  switch (last)
 		    {
+		    case 'w':
+		    case 'W':
+		      fac *= 7;
+		      /* fall through */
 		    case 'd':
 		    case 'D':
 		      fac *= 24;