diff --git a/lib/core/optiondict.py b/lib/core/optiondict.py
index b72cdffe4..1acf47627 100644
--- a/lib/core/optiondict.py
+++ b/lib/core/optiondict.py
@@ -211,6 +211,7 @@ optDict = {
         "hexConvert": "boolean",
         "outputDir": "string",
         "parseErrors": "boolean",
+        "repair": "boolean",
         "saveConfig": "string",
         "scope": "string",
         "testFilter": "string",
diff --git a/lib/core/settings.py b/lib/core/settings.py
index ab0a61af0..701866ff3 100644
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -19,7 +19,7 @@ from lib.core.enums import DBMS_DIRECTORY_NAME
 from lib.core.enums import OS
 
 # sqlmap version (<major>.<minor>.<month>.<monthly commit>)
-VERSION = "1.3.2.22"
+VERSION = "1.3.2.23"
 TYPE = "dev" if VERSION.count('.') > 2 and VERSION.split('.')[-1] != '0' else "stable"
 TYPE_COLORS = {"dev": 33, "stable": 90, "pip": 34}
 VERSION_STRING = "sqlmap/%s#%s" % ('.'.join(VERSION.split('.')[:-1]) if VERSION.count('.') > 2 and VERSION.split('.')[-1] == '0' else VERSION, TYPE)
diff --git a/lib/parse/cmdline.py b/lib/parse/cmdline.py
index 927eaa2b0..388634e0e 100644
--- a/lib/parse/cmdline.py
+++ b/lib/parse/cmdline.py
@@ -31,6 +31,7 @@ from lib.core.exception import SqlmapShellQuitException
 from lib.core.exception import SqlmapSyntaxException
 from lib.core.settings import BASIC_HELP_ITEMS
 from lib.core.settings import DUMMY_URL
+from lib.core.settings import INFERENCE_UNKNOWN_CHAR
 from lib.core.settings import IS_WIN
 from lib.core.settings import MAX_HELP_OPTION_LENGTH
 from lib.core.settings import VERSION_STRING
@@ -594,6 +595,9 @@ def cmdLineParser(argv=None):
         general.add_option("--parse-errors", dest="parseErrors", action="store_true",
                            help="Parse and display DBMS error messages from responses")
 
+        general.add_option("--repair", dest="repair", action="store_true",
+                           help="Redump entries having unknown character marker (%s)" % INFERENCE_UNKNOWN_CHAR)
+
         general.add_option("--save", dest="saveConfig",
                            help="Save options to a configuration INI file")
 
diff --git a/lib/techniques/blind/inference.py b/lib/techniques/blind/inference.py
index 340d61344..46da3e6ab 100644
--- a/lib/techniques/blind/inference.py
+++ b/lib/techniques/blind/inference.py
@@ -82,7 +82,9 @@ def bisection(payload, expression, length=None, charsetType=None, firstChar=None
     retVal = hashDBRetrieve(expression, checkConf=True)
 
     if retVal:
-        if PARTIAL_HEX_VALUE_MARKER in retVal:
+        if conf.repair and INFERENCE_UNKNOWN_CHAR in retVal:
+            pass
+        elif PARTIAL_HEX_VALUE_MARKER in retVal:
             retVal = retVal.replace(PARTIAL_HEX_VALUE_MARKER, "")
 
             if retVal and conf.hexConvert:
diff --git a/sqlmap.conf b/sqlmap.conf
index 88bcd002c..0a2331ace 100644
--- a/sqlmap.conf
+++ b/sqlmap.conf
@@ -725,6 +725,10 @@ outputDir =
 # Valid: True or False
 parseErrors = False
 
+# Redump entries having unknown character marker (?).
+# Valid: True or False
+repair = False
+
 # Regular expression for filtering targets from provided Burp.
 # or WebScarab proxy log.
 # Example: (google|yahoo)
diff --git a/txt/checksum.md5 b/txt/checksum.md5
index 6f6da31b0..d58ddc1fc 100644
--- a/txt/checksum.md5
+++ b/txt/checksum.md5
@@ -42,7 +42,7 @@ abcb1121eb56d3401839d14e8ed06b6e  lib/core/data.py
 84ef8f32e4582fcc294dc14e1997131d  lib/core/exception.py
 fb6be55d21a70765e35549af2484f762  lib/core/__init__.py
 18c896b157b03af716542e5fe9233ef9  lib/core/log.py
-fa9f24e88c81a6cef52da3dd5e637010  lib/core/optiondict.py
+151136142a14bee82cb02a9ca64c741d  lib/core/optiondict.py
 fca2d30cc9f9f5906e53542b2a9c247e  lib/core/option.py
 fe370021c6bc99daf44b2bfc0d1effb3  lib/core/patch.py
 4b12aa67fbf6c973d12e54cf9cb54ea0  lib/core/profiling.py
@@ -50,7 +50,7 @@ d5ef43fe3cdd6c2602d7db45651f9ceb  lib/core/readlineng.py
 7d8a22c582ad201f65b73225e4456170  lib/core/replication.py
 3179d34f371e0295dd4604568fb30bcd  lib/core/revision.py
 d6269c55789f78cf707e09a0f5b45443  lib/core/session.py
-8b2b5526b9a22e010342ff8f37e1cb15  lib/core/settings.py
+3e31c14f05909fc1d676aee8d8a99c57  lib/core/settings.py
 4483b4a5b601d8f1c4281071dff21ecc  lib/core/shell.py
 10fd19b0716ed261e6d04f311f6f527c  lib/core/subprocessng.py
 43772ea73e9e3d446f782af591cb4eda  lib/core/target.py
@@ -61,7 +61,7 @@ d6269c55789f78cf707e09a0f5b45443  lib/core/session.py
 5b3f08208be0579356f78ce5805d37b2  lib/core/wordlist.py
 fb6be55d21a70765e35549af2484f762  lib/__init__.py
 4881480d0c1778053908904e04570dc3  lib/parse/banner.py
-87a1d50411e74cd0afb2d1bed30f59d4  lib/parse/cmdline.py
+b23a0940d21347975a783c63fe671974  lib/parse/cmdline.py
 06ccbccb63255c8f1c35950a4c8a6f6b  lib/parse/configfile.py
 d34df646508c2dceb25205e1316673d1  lib/parse/handler.py
 43deb2400e269e602e916efaec7c0903  lib/parse/headers.py
@@ -91,7 +91,7 @@ fb6be55d21a70765e35549af2484f762  lib/takeover/__init__.py
 ad038ac567f97a4b940b7987792d64a4  lib/takeover/udf.py
 f0a809475eb0db95ffbe89fd6ca5bd96  lib/takeover/web.py
 1aadcdc058bb813d09ad23d26ea2a6b5  lib/takeover/xp_cmdshell.py
-654d222cbae610923965c583355ec34a  lib/techniques/blind/inference.py
+5d402892bf1e9b2c62ab2cfde21a6e11  lib/techniques/blind/inference.py
 fb6be55d21a70765e35549af2484f762  lib/techniques/blind/__init__.py
 fb6be55d21a70765e35549af2484f762  lib/techniques/dns/__init__.py
 ea48db4c48276d7d0e71aa467c0c523f  lib/techniques/dns/test.py