diff --git a/lib/core/option.py b/lib/core/option.py
index 39c1ebee2..94a03edc1 100644
--- a/lib/core/option.py
+++ b/lib/core/option.py
@@ -1442,6 +1442,7 @@ def __setKnowledgeBaseAttributes(flushAll=True):
     kb.reflectiveCounters = {REFLECTIVE_COUNTER.MISS:0, REFLECTIVE_COUNTER.HIT:0}
     kb.responseTimes = []
     kb.resumedQueries = {}
+    kb.safeCharEncode = False
     kb.singleLogFlags = set()
     kb.skipOthersDbms = None
     kb.suppressSession = False
diff --git a/lib/request/inject.py b/lib/request/inject.py
index c182bb1fb..e046a6aab 100644
--- a/lib/request/inject.py
+++ b/lib/request/inject.py
@@ -28,7 +28,6 @@ from lib.core.common import randomInt
 from lib.core.common import readInput
 from lib.core.common import replaceNewlineTabs
 from lib.core.common import safeStringFormat
-from lib.core.convert import safecharencode
 from lib.core.data import conf
 from lib.core.data import kb
 from lib.core.data import logger
@@ -401,6 +400,8 @@ def getValue(expression, blind=True, inband=True, error=True, time=True, fromUse
     (if selected).
     """
 
+    kb.safeCharEncode = safeCharEncode
+
     if suppressOutput is not None:
         pushValue(getCurrentThreadData().disableStdOut)
         getCurrentThreadData().disableStdOut = suppressOutput
@@ -499,8 +500,7 @@ def getValue(expression, blind=True, inband=True, error=True, time=True, fromUse
         elif value == [None]:
             value = None
 
-    if safeCharEncode:
-        value = safecharencode(value)
+    kb.safeCharEncode = False
 
     return value
 
diff --git a/lib/techniques/blind/inference.py b/lib/techniques/blind/inference.py
index a21ccb30f..0b5ac012d 100644
--- a/lib/techniques/blind/inference.py
+++ b/lib/techniques/blind/inference.py
@@ -27,6 +27,7 @@ from lib.core.common import replaceNewlineTabs
 from lib.core.common import safeStringFormat
 from lib.core.common import singleTimeWarnMessage
 from lib.core.common import unhandledExceptionMessage
+from lib.core.convert import safecharencode
 from lib.core.data import conf
 from lib.core.data import kb
 from lib.core.data import logger
@@ -521,4 +522,4 @@ def bisection(payload, expression, length=None, charsetType=None, firstChar=None
     if kb.threadException:
         raise sqlmapThreadException, "something unexpected happened inside the threads"
 
-    return queriesCount[0], finalValue
+    return queriesCount[0], safecharencode(finalValue) if kb.safeCharEncode else finalValue
diff --git a/lib/techniques/error/use.py b/lib/techniques/error/use.py
index d79a2a0ef..1d385b910 100644
--- a/lib/techniques/error/use.py
+++ b/lib/techniques/error/use.py
@@ -131,7 +131,7 @@ def __oneShotErrorUse(expression, field):
 
     dataToSessionFile("[%s][%s][%s][%s][%s]\n" % (conf.url, kb.injection.place, conf.parameters[kb.injection.place], expression, replaceNewlineTabs(retVal)))
 
-    return retVal
+    return safecharencode(retVal) if kb.safeCharEncode else retVal
 
 def __errorFields(expression, expressionFields, expressionFieldsList, expected=None, num=None, resumeValue=True):
     outputs = []
diff --git a/lib/techniques/union/use.py b/lib/techniques/union/use.py
index 5b75ba96e..1392d16e3 100644
--- a/lib/techniques/union/use.py
+++ b/lib/techniques/union/use.py
@@ -97,7 +97,7 @@ def __oneShotUnionUse(expression, unpack=True):
             warnMsg += "issues)"
             singleTimeWarnMessage(warnMsg)
 
-    return output
+    return safecharencode(output) if kb.safeCharEncode else output
 
 def configUnion(char=None, columns=None):
     def __configUnionChar(char):