diff --git a/lib/controller/checks.py b/lib/controller/checks.py
index 6a9ff03d3..23c8b6ed5 100644
--- a/lib/controller/checks.py
+++ b/lib/controller/checks.py
@@ -33,7 +33,6 @@ from lib.core.common import trimAlphaNum
 from lib.core.common import wasLastRequestDBMSError
 from lib.core.common import wasLastRequestHTTPError
 from lib.core.common import DynamicContentItem
-from lib.core.common import configUnion
 from lib.core.data import conf
 from lib.core.data import kb
 from lib.core.data import logger
@@ -57,6 +56,7 @@ from lib.core.settings import UPPER_RATIO_BOUND
 from lib.core.unescaper import unescaper
 from lib.request.connect import Connect as Request
 from lib.request.templates import getPageTemplate
+from lib.techniques.inband.union.use import configUnion
 from lib.techniques.inband.union.test import unionTest
 
 def unescape(string, dbms):
diff --git a/lib/core/common.py b/lib/core/common.py
index 194230022..071ee3a65 100644
--- a/lib/core/common.py
+++ b/lib/core/common.py
@@ -2089,38 +2089,3 @@ def openFile(filename, mode='r'):
           ('w' in mode or 'a' in mode or '+' in mode) else "read")
         errMsg += "and that it's not locked by another process."
         raise sqlmapFilePathException, errMsg
-
-def __configUnionChar(char):
-    if char.isdigit() or char == "NULL":
-        conf.uChar = char
-    elif not char.startswith("'") or not char.endswith("'"):
-        conf.uChar = "'%s'" % char
-
-def __configUnionCols(columns):
-    if "-" not in columns or len(columns.split("-")) != 2:
-        raise sqlmapSyntaxException, "--union-cols must be a range with hyphon (e.g. 1-10)"
-
-    columns = columns.replace(" ", "")
-    conf.uColsStart, conf.uColsStop = columns.split("-")
-
-    if not conf.uColsStart.isdigit() or not conf.uColsStop.isdigit():
-        raise sqlmapSyntaxException, "--union-cols must be a range of integers"
-
-    conf.uColsStart = int(conf.uColsStart)
-    conf.uColsStop = int(conf.uColsStop)
-
-    if conf.uColsStart > conf.uColsStop:
-        errMsg = "--union-cols range has to be from lower to "
-        errMsg += "higher number of columns"
-        raise sqlmapSyntaxException, errMsg
-
-def configUnion(char, columns):
-    if isinstance(conf.uChar, basestring):
-        __configUnionChar(conf.uChar)
-    elif isinstance(char, basestring):
-        __configUnionChar(char)
-
-    if isinstance(conf.uCols, basestring):
-        __configUnionCols(conf.uCols)
-    elif isinstance(columns, basestring):
-        __configUnionCols(columns)
diff --git a/lib/techniques/inband/union/use.py b/lib/techniques/inband/union/use.py
index b8f0162e2..89296904f 100644
--- a/lib/techniques/inband/union/use.py
+++ b/lib/techniques/inband/union/use.py
@@ -234,3 +234,38 @@ def unionUse(expression, direct=False, unescape=True, resetCounter=False, nullCh
         logger.debug(debugMsg)
 
     return value
+
+def __configUnionChar(char):
+    if char.isdigit() or char == "NULL":
+        conf.uChar = char
+    elif not char.startswith("'") or not char.endswith("'"):
+        conf.uChar = "'%s'" % char
+
+def __configUnionCols(columns):
+    if "-" not in columns or len(columns.split("-")) != 2:
+        raise sqlmapSyntaxException, "--union-cols must be a range with hyphon (e.g. 1-10)"
+
+    columns = columns.replace(" ", "")
+    conf.uColsStart, conf.uColsStop = columns.split("-")
+
+    if not conf.uColsStart.isdigit() or not conf.uColsStop.isdigit():
+        raise sqlmapSyntaxException, "--union-cols must be a range of integers"
+
+    conf.uColsStart = int(conf.uColsStart)
+    conf.uColsStop = int(conf.uColsStop)
+
+    if conf.uColsStart > conf.uColsStop:
+        errMsg = "--union-cols range has to be from lower to "
+        errMsg += "higher number of columns"
+        raise sqlmapSyntaxException, errMsg
+
+def configUnion(char, columns):
+    if isinstance(conf.uChar, basestring):
+        __configUnionChar(conf.uChar)
+    elif isinstance(char, basestring):
+        __configUnionChar(char)
+
+    if isinstance(conf.uCols, basestring):
+        __configUnionCols(conf.uCols)
+    elif isinstance(columns, basestring):
+        __configUnionCols(columns)