diff --git a/lib/core/option.py b/lib/core/option.py
index fc50eae51..a8dbcf2e5 100644
--- a/lib/core/option.py
+++ b/lib/core/option.py
@@ -240,21 +240,24 @@ def __setGoogleDorking():
 
 
 def __setUnionTech():
-    if not conf.uTech:
-        conf.uTech = "bf"
+    if conf.uTech == None:
+        conf.uTech = "NULL"
 
         return
 
-    if conf.uTech and conf.uTech not in ( "bf", "ob" ):
+    uTechOriginal = conf.uTech
+    conf.uTech    = conf.uTech.lower()
+
+    if conf.uTech and conf.uTech not in ( "null", "orderby" ):
         infoMsg  = "resetting the UNION query detection technique to "
-        infoMsg += "'bf', '%s' is not a valid technique" % conf.uTech
+        infoMsg += "'NULL', '%s' is not a valid technique" % uTechOriginal
         logger.info(infoMsg)
 
-        conf.uTech = "bf"
+        conf.uTech = "NULL"
 
     else:
         debugMsg  = "setting UNION query detection technique to "
-        debugMsg += "'%s'" % conf.uTech
+        debugMsg += "'%s'" % uTechOriginal
         logger.debug(debugMsg)
 
 
diff --git a/lib/core/settings.py b/lib/core/settings.py
index 844b5e7b2..da8ed8e51 100644
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -30,7 +30,7 @@ import sys
 
 
 # sqlmap version and site
-VERSION            = "0.6.4-rc2"
+VERSION            = "0.6.4-rc3"
 VERSION_STRING     = "sqlmap/%s" % VERSION
 SITE               = "http://sqlmap.sourceforge.net"
 
diff --git a/lib/techniques/inband/union/test.py b/lib/techniques/inband/union/test.py
index 3d9c5e4c7..8f90fcca9 100644
--- a/lib/techniques/inband/union/test.py
+++ b/lib/techniques/inband/union/test.py
@@ -97,6 +97,7 @@ def __unionTestByOrderBy(comment):
 
         if seqMatcher >= 0.6:
             columns = count
+
         elif columns:
             value = __forgeUserFriendlyValue(prevPayload)
 
@@ -113,8 +114,8 @@ def unionTest():
     SQL injection vulnerability. The test is done up to 3*50 times
     """
 
-    if conf.uTech == "ob":
-        technique = "ORDER BY clause"
+    if conf.uTech == "orderby":
+        technique = "ORDER BY clause bruteforcing"
     else:
         technique = "NULL bruteforcing"
 
@@ -126,7 +127,7 @@ def unionTest():
     columns = None
 
     for comment in (queries[kb.dbms].comment, ""):
-        if conf.uTech == "ob":
+        if conf.uTech == "orderby":
             value, columns = __unionTestByOrderBy(comment)
         else:
             value, columns = __unionTestByNULLBruteforce(comment)
diff --git a/sqlmap.conf b/sqlmap.conf
index a629e9ef7..b921c8946 100644
--- a/sqlmap.conf
+++ b/sqlmap.conf
@@ -144,9 +144,9 @@ unionTest = False
 # Technique to test for UNION query SQL injection
 # The possible techniques are by NULL bruteforcing (bf) or by ORDER BY
 # clause (ob)
-# Valid: bf, ob
-# Default: bf
-uTech = bf
+# Valid: NULL, OrderBy
+# Default: NULL
+uTech = NULL
 
 # Use the UNION query (inband) SQL injection to retrieve the queries
 # output. No need to go blind.