Index: core/src/main/java/quickfix/Session.java
===================================================================
--- core/src/main/java/quickfix/Session.java	(revision 1114)
+++ core/src/main/java/quickfix/Session.java	(working copy)
@@ -1289,7 +1289,10 @@
 
         state.setLogoutReceived(true);
 
-        state.incrNextTargetMsgSeqNum();
+        final int logoutMsgSeqNum = logout.getHeader().getInt(MsgSeqNum.FIELD);
+        if (!isTargetTooHigh(logoutMsgSeqNum)) {
+            state.incrNextTargetMsgSeqNum();
+        }
         if (resetOnLogout) {
             resetState();
         }