diff --git a/Shorewall2/changelog.txt b/Shorewall2/changelog.txt
index 7f69462f7..01ccde958 100644
--- a/Shorewall2/changelog.txt
+++ b/Shorewall2/changelog.txt
@@ -210,3 +210,5 @@ Changes since 2.0.3
 102) Add 'allowInvalid' builtin action.
 
 103) Expand range of Traceroute ports.
+
+102) Correct uninitialized variable in setup_ecn()
diff --git a/Shorewall2/firewall b/Shorewall2/firewall
index 837d8b9e7..2e29658da 100755
--- a/Shorewall2/firewall
+++ b/Shorewall2/firewall
@@ -2270,7 +2270,7 @@ setup_netmap() {
 setup_ecn() # $1 = file name
 {
     local interfaces=""
-    local hosts
+    local hosts=
     local h
 
     strip_file ecn $1
diff --git a/Shorewall2/releasenotes.txt b/Shorewall2/releasenotes.txt
index 274286c41..18a519769 100755
--- a/Shorewall2/releasenotes.txt
+++ b/Shorewall2/releasenotes.txt
@@ -213,6 +213,11 @@ Problems corrected since 2.2.0 RC3
 1) Several problems associated with processing the IPSEC colummn in
    /etc/shorewall/masq have been corrected.
 
+Problems corrected since 2.2.0 RC4
+
+1) Using some lightweight shells, valid entries in /etc/shorewall/ecn
+   produce startup errors.
+
 -----------------------------------------------------------------------
 Issues when migrating from Shorewall 2.0 to Shorewall 2.2: