diff --git a/config/cfgroot/general-functions.pl b/config/cfgroot/general-functions.pl
index 0577afe..024285e 100644
--- a/config/cfgroot/general-functions.pl
+++ b/config/cfgroot/general-functions.pl
@@ -579,10 +579,10 @@ sub check_net_internal_exact{
 	$cidr=&iporsubtocidr($cidr);
 	#check if we use one of ipfire's networks (green,orange,blue)
 	&readhash("${General::swroot}/ethernet/settings", \%ownnet);
-	if (($ownnet{'GREEN_NETADDRESS'}  	ne '' && $ownnet{'GREEN_NETADDRESS'} 	ne '0.0.0.0') && &Network::network_equal("$ownnet{'GREEN_NETADDRESS'}/$ownnet{'GREEN_NETMASK'}", $network)){ $errormessage=$Lang::tr{'ccd err green'};return $errormessage;}
-	if (($ownnet{'ORANGE_NETADDRESS'}	ne '' && $ownnet{'ORANGE_NETADDRESS'} 	ne '0.0.0.0') && &Network::network_equal("$ownnet{'ORANGE_NETADDRESS'}/$ownnet{'ORANGE_NETMASK'}", $network)){ $errormessage=$Lang::tr{'ccd err orange'};return $errormessage;}
-	if (($ownnet{'BLUE_NETADDRESS'} 	ne '' && $ownnet{'BLUE_NETADDRESS'} 	ne '0.0.0.0') && &Network::network_equal("$ownnet{'BLUE_NETADDRESS'}/$ownnet{'BLUE_NETMASK'}", $network)){ $errormessage=$Lang::tr{'ccd err blue'};return $errormessage;}
-	if (($ownnet{'RED_NETADDRESS'} 		ne '' && $ownnet{'RED_NETADDRESS'} 		ne '0.0.0.0') && &Network::network_equal("$ownnet{'RED_NETADDRESS'}/$ownnet{'RED_NETMASK'}", $network)){ $errormessage=$Lang::tr{'ccd err red'};return $errormessage;}
+	if (($ownnet{'GREEN_NETADDRESS'}  	ne '' && $ownnet{'GREEN_NETADDRESS'} 	ne '0.0.0.0') && &Network::network_equal("$ownnet{'GREEN_NETADDRESS'}/".&iporsubtocidr($ownnet{'GREEN_NETMASK'}), $network)){ $errormessage=$Lang::tr{'ccd err green'};return $errormessage;}
+	if (($ownnet{'ORANGE_NETADDRESS'}	ne '' && $ownnet{'ORANGE_NETADDRESS'} 	ne '0.0.0.0') && &Network::network_equal("$ownnet{'ORANGE_NETADDRESS'}/".&iporsubtocidr($ownnet{'ORANGE_NETMASK'}), $network)){ $errormessage=$Lang::tr{'ccd err orange'};return $errormessage;}
+	if (($ownnet{'BLUE_NETADDRESS'} 	ne '' && $ownnet{'BLUE_NETADDRESS'} 	ne '0.0.0.0') && &Network::network_equal("$ownnet{'BLUE_NETADDRESS'}/".&iporsubtocidr($ownnet{'BLUE_NETMASK'}), $network)){ $errormessage=$Lang::tr{'ccd err blue'};return $errormessage;}
+	if (($ownnet{'RED_NETADDRESS'} 		ne '' && $ownnet{'RED_NETADDRESS'} 		ne '0.0.0.0') && &Network::network_equal("$ownnet{'RED_NETADDRESS'}/".&iporsubtocidr($ownnet{'RED_NETMASK'}), $network)){ $errormessage=$Lang::tr{'ccd err red'};return $errormessage;}
 }
 
 sub validport
diff --git a/html/cgi-bin/routing.cgi b/html/cgi-bin/routing.cgi
index 15989bd..f2014e2 100644
--- a/html/cgi-bin/routing.cgi
+++ b/html/cgi-bin/routing.cgi
@@ -154,7 +154,7 @@ if ($settings{'ACTION'} eq $Lang::tr{'add'}) {
 			last;
 		}
 		#Is the network part of an internal network?
-		$errormessage .= &General::check_net_internal($settings{'IP'});
+		$errormessage .= &General::check_net_internal_exact($settings{'IP'});
 		last;
 	}