diff --git a/source/java/org/alfresco/repo/webdav/auth/BaseKerberosAuthenticationFilter.java b/source/java/org/alfresco/repo/webdav/auth/BaseKerberosAuthenticationFilter.java
index 48f1347ab8..4f71b973de 100644
--- a/source/java/org/alfresco/repo/webdav/auth/BaseKerberosAuthenticationFilter.java
+++ b/source/java/org/alfresco/repo/webdav/auth/BaseKerberosAuthenticationFilter.java
@@ -365,7 +365,14 @@ public abstract class BaseKerberosAuthenticationFilter extends BaseSSOAuthentica
                         req.getRemoteAddr() + ":" + req.getRemotePort() + ")");
             
             // Send back a request for SPNEGO authentication
-            logonStartAgain(context, req, resp, true);
+            if (req.getRequestURL().toString().contains("webdav"))
+            {
+            	logonStartAgain(context, req, resp, false);
+            }
+            else
+            {
+            	logonStartAgain(context, req, resp, true);
+            }
             return false;
         }
         else