diff --git a/source/java/org/alfresco/repo/webdav/auth/BaseSSOAuthenticationFilter.java b/source/java/org/alfresco/repo/webdav/auth/BaseSSOAuthenticationFilter.java
index bdd1875dab..2efa0ff9ac 100644
--- a/source/java/org/alfresco/repo/webdav/auth/BaseSSOAuthenticationFilter.java
+++ b/source/java/org/alfresco/repo/webdav/auth/BaseSSOAuthenticationFilter.java
@@ -176,6 +176,8 @@ public abstract class BaseSSOAuthenticationFilter implements DependencyInjectedF
         if (serverConfigurationBean != null)
         {
             m_srvName = serverConfigurationBean.getServerName();
+            if ( m_srvName.length() == 0)
+            	m_srvName = null;
             
             if (m_srvName != null)
             {
@@ -204,6 +206,11 @@ public abstract class BaseSSOAuthenticationFilter implements DependencyInjectedF
                 
                 // DEBUG
                 
+                if ( getLogger().isInfoEnabled())
+                	getLogger().info("NTLM filter using server name " + m_srvName);
+                
+                // DEBUG
+                
                 if ( getLogger().isInfoEnabled())
                 	getLogger().info("NTLM filter using server name " + m_srvName);
             }