diff --git a/Shorewall/changelog.txt b/Shorewall/changelog.txt
index 7fa83dcea..e6bf77b29 100644
--- a/Shorewall/changelog.txt
+++ b/Shorewall/changelog.txt
@@ -2,6 +2,8 @@ Changes in 3.4.0 Final
 
 1)  Add missing logic for "!" rules.
 
+2)  Restore missing function merge_macro_source_dest.
+
 Changes in 3.4.0 RC 3
 
 1)  Add warning about 'loose' and 'balance'
diff --git a/Shorewall/compiler b/Shorewall/compiler
index c422b9bb8..52c8af613 100755
--- a/Shorewall/compiler
+++ b/Shorewall/compiler
@@ -2068,6 +2068,27 @@ process_ratelimit() {
     fi
 }
 
+#
+# Combine a source/dest from the macro body with one from the macro invocation
+#
+merge_macro_source_dest() # $1 = source/dest from macro body, $2 = source/dest from invocation
+{
+    case $2 in
+	-)
+	    echo ${1}
+	    ;;
+	*.*.*|+*|~*|!~*)
+	    #
+	    # Value in the invocation is an address -- put it behind the value from the macro
+	    #
+	    echo ${1}:${2}
+	    ;;
+	*)
+	    echo ${2}:${1}
+	    ;;
+    esac
+}
+
 #
 # Process a record from the rules file
 #
diff --git a/Shorewall/lib.actions b/Shorewall/lib.actions
index 797a125c7..3760bd590 100644
--- a/Shorewall/lib.actions
+++ b/Shorewall/lib.actions
@@ -540,8 +540,6 @@ merge_levels() # $1=level at which superior action is called, $2=level at which
 #      c) A dependency graph is created. For each <action>, the variable 'requiredby_<action>' lists the
 #         action[:level[:tag]] of each action invoked by <action>.
 #      d) All actions are listed in the global variable ACTIONS.
-#      e) Common actions are recorded (in variables of the name <policy>_common) and are added to the global
-#         USEDACTIONS
 #
 # As the rules file is scanned, each action[:level[:tag]] is merged onto the USEDACTIONS list. When an <action>
 # is merged onto this list, its action chain is created. Where logging is specified, a chain with the name
diff --git a/Shorewall/lib.nat b/Shorewall/lib.nat
index 131fc4e1b..2b3d67b9c 100644
--- a/Shorewall/lib.nat
+++ b/Shorewall/lib.nat
@@ -506,7 +506,7 @@ setup_nat() {
 	    addnatrule nat_out -s $internal $policyout -j SNAT --to-source $external
 	else
 	    addnatrule $(input_chain $iface)  -d $external $policyin  -j DNAT --to-destination $internal
-		addnatrule $(output_chain $iface) -s $internal $policyout -j SNAT --to-source $external
+	    addnatrule $(output_chain $iface) -s $internal $policyout -j SNAT --to-source $external
 	fi
 
 	[ -n "$localnat" ] && \
diff --git a/Shorewall/releasenotes.txt b/Shorewall/releasenotes.txt
index 2660feeca..3d79fd9a0 100644
--- a/Shorewall/releasenotes.txt
+++ b/Shorewall/releasenotes.txt
@@ -34,6 +34,11 @@ Problems Corrected in 3.4.0 Final.
     exempt the rule from being suppressed by OPTIMIZE=1. That feature
     was not working.
 
+2)  If both a macro body and a macro invocation contained an entry in the
+    SOURCE or DEST column, then compilation failed with the error:
+
+	   merge_macro_source_dest: command not found
+
 Migration Considerations:
 
 If you are migrating from a Shorewall version earlier than 3.2.0 then