diff --git a/SRC/ifup b/SRC/ifup
index 6adf9bb..26be13d 100755
--- a/SRC/ifup
+++ b/SRC/ifup
@@ -887,9 +887,14 @@ foreach my $iface ( @$ifaces ) {
 			}
 
 		print "[$iface]\n"
-			. "  State: $runningconf->{$iface}{'state'}\n"
-			. "  Address: $runningconf->{$iface}{'address'}\n"
-			. "  MAC: $runningconf->{$iface}{'macaddr'}\n";
+			. "  State: $runningconf->{$iface}{'state'}\n";
+
+		if ( $runningconf->{$iface}{'address'} ) {
+			print "  Address: $runningconf->{$iface}{'address'}\n";
+			}
+		if ( $runningconf->{$iface}{'macaddr'} ) {
+			print "  MAC: $runningconf->{$iface}{'macaddr'}\n";
+			}
 
 		foreach my $name ( sort( keys(
 		%{$runningconf->{$iface}{'aliases'}} ) ) ) {