diff --git a/Shorewall/Perl/Shorewall/Rules.pm b/Shorewall/Perl/Shorewall/Rules.pm
index 48f2d9684..6b9a99ad6 100644
--- a/Shorewall/Perl/Shorewall/Rules.pm
+++ b/Shorewall/Perl/Shorewall/Rules.pm
@@ -631,10 +631,14 @@ sub add_common_rules() {
 		my $base     = uc chain_base $interface;
 		my $variable = get_interface_gateway $interface;
 
-		add_commands( $chainref, 
-			      qq(if [ -n "\$${base}_IS_USABLE" -a -n "$variable" ]; then) ,
-			      qq(    echo -A $chainref->{name} -i $interface -s $variable -p udp -j ACCEPT >&3) ,
-			      qq(fi) );
+		if ( interface_is_optional $interface ) {
+		    add_commands( $chainref, 
+				  qq(if [ -n "\$${base}_IS_USABLE" -a -n "$variable" ]; then) ,
+				  qq(    echo -A $chainref->{name} -i $interface -s $variable -p udp -j ACCEPT >&3) ,
+				  qq(fi) );
+		} else {
+		    add_commands( $chainref, qq(echo -A $chainref->{name} -i $interface -s $variable -p udp -j ACCEPT >&3) );
+		}
 	    }
 	}
     }
diff --git a/Shorewall/releasenotes.txt b/Shorewall/releasenotes.txt
index 5fc2433e3..c1c6b61ef 100644
--- a/Shorewall/releasenotes.txt
+++ b/Shorewall/releasenotes.txt
@@ -185,6 +185,9 @@ Shorewall 4.4.0
 4)  Given that Jozsef Kadlecsik has not yet released ipset 3.1, ipset
     bindings are once again supported.
 
+5)  The 'upnpclient' option only worked correctly if 'optional' was
+    also specified for the interface.
+
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