diff --git a/src/pflib/NATCompiler_pf.cpp b/src/pflib/NATCompiler_pf.cpp
index c71c70a83..ce124c895 100644
--- a/src/pflib/NATCompiler_pf.cpp
+++ b/src/pflib/NATCompiler_pf.cpp
@@ -714,7 +714,7 @@ bool NATCompiler_pf::AssignInterface::processNext()
     NATCompiler_pf *pf_comp = dynamic_cast<NATCompiler_pf*>(compiler);
     NATRule *rule = getNext(); if (rule==NULL) return false;
 
-    if (rule->getInterfaceStr() == "nil")
+    if (rule->getStr(".iface") == "nil")
     {
         tmp_queue.push_back(rule);
         return true;
@@ -832,10 +832,10 @@ bool NATCompiler_pf::ReplaceFirewallObjectsODst::processNext()
 	}
 /*
  * update for ticket 1397 If firewall object is in ODst, do not assign
- * the rule to any interface.  I use attribute set by
- * setInterfaceStr() to signal AssignInterface that it should not do anything.
+ * the rule to any interface.  I use attribute ".iface" to signal
+ * AssignInterface that it should not do anything.
  */
-        rule->setInterfaceStr("nil");
+        rule->setStr(".iface", "nil");
     }
 
     return true;
diff --git a/src/pflib/NATCompiler_pf_writers.cpp b/src/pflib/NATCompiler_pf_writers.cpp
index 8c184ae2a..eb5320954 100644
--- a/src/pflib/NATCompiler_pf_writers.cpp
+++ b/src/pflib/NATCompiler_pf_writers.cpp
@@ -160,10 +160,8 @@ bool NATCompiler_pf::PrintRule::processNext()
         compiler->abort(rule, errstr);
     }
 
-//    string  iface_name = rule->getInterfaceStr();
-//    if (iface_name=="nil") iface_name="";
-
-    switch ( rule->getRuleType() ) {
+    switch ( rule->getRuleType() )
+    {
     case NATRule::Continue:
     case NATRule::NONAT:
     {
diff --git a/test/pf/pf_cluster_4_rc.conf.local b/test/pf/pf_cluster_4_rc.conf.local
index 62d0f4c7e..c9aa88539 100755
--- a/test/pf/pf_cluster_4_rc.conf.local
+++ b/test/pf/pf_cluster_4_rc.conf.local
@@ -1,9 +1,9 @@
 #
 #  This is automatically generated file. DO NOT MODIFY !
 #
-#  Firewall Builder  fwb_pf v4.2.0.3480
+#  Firewall Builder  fwb_pf v4.2.0.3482
 #
-#  Generated Thu Feb 17 17:53:23 2011 PST by vadim
+#  Generated Fri Feb 18 18:53:30 2011 PST by vadim
 #
 # files: * pf_cluster_4_rc.conf.local /etc/pf_cluster_4_rc.conf.local
 # files:   pf_cluster_4_pf.conf /etc/pf_cluster_4_pf.conf