1 files changed, 1 insertions, 1 deletions
diff --git a/sca-java-2.x/trunk/modules/binding-atom-runtime/src/main/java/org/apache/tuscany/sca/binding/atom/provider/AtomBindingListenerServlet.java b/sca-java-2.x/trunk/modules/binding-atom-runtime/src/main/java/org/apache/tuscany/sca/binding/atom/provider/AtomBindingListenerServlet.java
index f2ad84bfd5..0b534502e0 100644
--- a/sca-java-2.x/trunk/modules/binding-atom-runtime/src/main/java/org/apache/tuscany/sca/binding/atom/provider/AtomBindingListenerServlet.java
+++ b/sca-java-2.x/trunk/modules/binding-atom-runtime/src/main/java/org/apache/tuscany/sca/binding/atom/provider/AtomBindingListenerServlet.java
@@ -281,7 +281,7 @@ class AtomBindingListenerServlet extends HttpServlet {
                             Date predicateDate = dateFormat.parse( predicate ); 
                             if ( predicateDate.compareTo( exactSeconds(feedUpdated) ) < 0 ) {
                                 // Match, should short circuit
-                                response.sendError(HttpServletResponse.SC_NOT_MODIFIED);
+                                response.sendError(HttpServletResponse.SC_PRECONDITION_FAILED);
                                 return;
                             }             		
                         } catch ( java.text.ParseException e ) {