diff --git a/Shorewall/changelog.txt b/Shorewall/changelog.txt
index 749f9bfb7..2cb5bbf5b 100755
--- a/Shorewall/changelog.txt
+++ b/Shorewall/changelog.txt
@@ -7,3 +7,6 @@ Changes since 1.4.7
    ICMP.
 
 3) Added support for QUEUE target.
+
+4) Fix error handling after "Unable to determine the routes..."
+
diff --git a/Shorewall/firewall b/Shorewall/firewall
index 8a8b3437e..7063d1334 100755
--- a/Shorewall/firewall
+++ b/Shorewall/firewall
@@ -3399,7 +3399,7 @@ setup_masq()
 	    ;;
 	*)
 	    subnets=`get_routed_subnets $subnet`
-	    [ -z "$subnets" ] && startup_error "Unable to determine the routes through interface $subnet"
+	    [ -z "$subnets" ] && fatal_error "Unable to determine the routes through interface $subnet"
 	    subnet="$subnets"
 	    ;;
 	esac
diff --git a/Shorewall/releasenotes.txt b/Shorewall/releasenotes.txt
index ea512511d..56343e364 100755
--- a/Shorewall/releasenotes.txt
+++ b/Shorewall/releasenotes.txt
@@ -18,6 +18,11 @@ Problems Corrected since version 1.4.6:
 
 	   ACCEPT      loc  $FW  icmp    0,8,11,12
 
+3) Previously, if the following error message was issued, Shorewall
+   was left in an inconsistent state.
+
+   Error: Unable to determine the routes routes through interface xxx
+
 Migration Issues:
 
 None.