diff --git a/source/java/org/alfresco/repo/webdav/auth/BaseKerberosAuthenticationFilter.java b/source/java/org/alfresco/repo/webdav/auth/BaseKerberosAuthenticationFilter.java
index bdb4138012..db132aa21d 100644
--- a/source/java/org/alfresco/repo/webdav/auth/BaseKerberosAuthenticationFilter.java
+++ b/source/java/org/alfresco/repo/webdav/auth/BaseKerberosAuthenticationFilter.java
@@ -264,10 +264,10 @@ public abstract class BaseKerberosAuthenticationFilter extends BaseSSOAuthentica
         	
         	if ( authHdr.startsWith( "Negotiate"))
         		reqAuth = true;
-        	else if ( authHdr.startsWith( "NTLM") || (authHdr.length() > 5 && authHdr.substring(0,5).equalsIgnoreCase("BASIC")))
+        	else if ( authHdr.startsWith( "NTLM"))
         	{
         		if ( getLogger().isDebugEnabled())
-        			getLogger().debug("Received NTLM or BASIC logon from client: " + authHdr);
+        			getLogger().debug("Received NTLM logon from client");
         		
         		// Restart the authentication