diff --git a/ChangeLog b/ChangeLog
index fe6e0b9f..8d630201 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -11,6 +11,7 @@ version 3.12
    [BUG FIXES]
 
     * [#52] NETSCREEN-IP-ARP-MIB considered harmful
+    * Foundry/Brocade aggreate port master ifIndex resolved properly
 
 version 3.11 (2014-01-26)
 
diff --git a/Info/Layer3/Foundry.pm b/Info/Layer3/Foundry.pm
index c5cbfcbb..1d8810f8 100644
--- a/Info/Layer3/Foundry.pm
+++ b/Info/Layer3/Foundry.pm
@@ -809,7 +809,7 @@ sub agg_ports {
   foreach my $m (keys %$trunks) {
       my $skip = 0;
       while (my $s = unpack("x${skip}n2", $trunks->{$m})) {
-          $ret->{ $ports->{$s} } = $m;
+          $ret->{ $ports->{$s} } = $ports->{$m};
           $skip += 2;
       }
   }