diff --git a/ChangeLog b/ChangeLog
index 164a8950..1bd45260 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -12,6 +12,7 @@ version 3.18
     * Correctly identify device type (class) for instantiated objects which
       have overridden layers.
     * [#58] Fix inheritance in L3::FWSM and L3::CiscoASA
+    * [#71] Don't try to match on a false port description in lldp_if
 
 version 3.17 (2014-06-23)
 
diff --git a/Info/LLDP.pm b/Info/LLDP.pm
index 5b24eb03..24ddddda 100644
--- a/Info/LLDP.pm
+++ b/Info/LLDP.pm
@@ -121,9 +121,9 @@ sub lldp_if {
         my $lldp_desc = $lldp->lldpLocPortDesc($port);
         my $desc = $lldp_desc->{$port};
         # If cross reference is successful use it, otherwise stick with lldpRemLocalPortNum
-        if ( exists $r_i_descr{$desc} ) {
+        if ( $desc && exists $r_i_descr{$desc} ) {
             $port = $r_i_descr{$desc};
-        } elsif ( exists $r_i_alias{$desc} ) {
+        } elsif ( $desc && exists $r_i_alias{$desc} ) {
             $port = $r_i_alias{$desc};
         }