diff --git a/lib/core/settings.py b/lib/core/settings.py
index 8db6b6300..1c0bc4198 100644
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -18,7 +18,7 @@ from lib.core.enums import OS
 from thirdparty.six import unichr as _unichr
 
 # sqlmap version (<major>.<minor>.<month>.<monthly commit>)
-VERSION = "1.3.11.100"
+VERSION = "1.3.11.101"
 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/core/testing.py b/lib/core/testing.py
index 99a280dce..7ef9e72de 100644
--- a/lib/core/testing.py
+++ b/lib/core/testing.py
@@ -65,14 +65,15 @@ def vulnTest():
 
     TESTS = (
         ("-r <request> --flush-session", ("CloudFlare",)),
-        ("-u <url> --flush-session --forms --crawl=2 --banner", ("total of 2 targets", "might be injectable", "Type: UNION query", "banner: '3")),
+        ("-u <url> --flush-session --encoding=ascii --forms --crawl=2 --banner", ("total of 2 targets", "might be injectable", "Type: UNION query", "banner: '3")),
         ("-u <url> --flush-session --data='{\"id\": 1}' --banner", ("might be injectable", "3 columns", "Payload: {\"id\"", "Type: boolean-based blind", "Type: time-based blind", "Type: UNION query", "banner: '3")),
         ("-u <url> --flush-session --data='<root><param name=\"id\" value=\"1*\"/></root>' --union-char=1 --mobile --banner --smart", ("might be injectable", "Payload: <root><param name=\"id\" value=\"1", "Type: boolean-based blind", "Type: time-based blind", "Type: UNION query", "banner: '3")),
         ("-u <url> --flush-session --method=PUT --data='a=1&b=2&c=3&id=1' --skip-static --dump -T users --start=1 --stop=2", ("might be injectable", "Parameter: id (PUT)", "Type: boolean-based blind", "Type: time-based blind", "Type: UNION query", "2 entries")),
         ("-u <url> --flush-session -H 'id: 1*' --tables", ("might be injectable", "Parameter: id #1* ((custom) HEADER)", "Type: boolean-based blind", "Type: time-based blind", "Type: UNION query", " users ")),
+        ("-u <url> --flush-session --banner --invalid-logical --technique=B --test-filter='OR boolean' --tamper=space2dash", ("banner: '3", " LIKE ")),
         ("-u <url> --flush-session --cookie=\"PHPSESSID=d41d8cd98f00b204e9800998ecf8427e; id=1*; id2=2\" --tables --union-cols=3", ("might be injectable", "Cookie #1* ((custom) HEADER)", "Type: boolean-based blind", "Type: time-based blind", "Type: UNION query", " users ")),
         ("-u <url> --flush-session --null-connection --technique=B --tamper=between,randomcase --banner", ("NULL connection is supported with HEAD method", "banner: '3")),
-        ("-u <url> --flush-session --parse-errors --test-filter=\"subquery\" --eval=\"id2=2\" --referer=\"localhost\"", ("might be injectable", ": syntax error", "back-end DBMS: SQLite", "WHERE or HAVING clause (subquery")),
+        ("-u <url> --flush-session --parse-errors --test-filter=\"subquery\" --eval=\"import hashlib; id2=2; id3=hashlib.md5(id.encode()).hexdigest()\" --referer=\"localhost\"", ("might be injectable", ": syntax error", "back-end DBMS: SQLite", "WHERE or HAVING clause (subquery")),
         ("-u <url> --banner --schema --dump -T users --binary-fields=surname --where \"id>3\"", ("banner: '3", "INTEGER", "TEXT", "id", "name", "surname", "2 entries", "6E616D6569736E756C6C")),
         ("-u <url> --flush-session --all", ("5 entries", "Type: boolean-based blind", "Type: time-based blind", "Type: UNION query", "luther", "blisset", "fluffy", "179ad45c6ce2cb97cf1029e212046e81", "NULL", "nameisnull", "testpass")),
         ("-u <url> -z \"tec=B\" --hex --fresh-queries --threads=4 --sql-query=\"SELECT * FROM users\"", ("SELECT * FROM users [5]", "nameisnull")),
diff --git a/lib/techniques/blind/inference.py b/lib/techniques/blind/inference.py
index cd6289b88..28eb23511 100644
--- a/lib/techniques/blind/inference.py
+++ b/lib/techniques/blind/inference.py
@@ -37,6 +37,7 @@ from lib.core.enums import CHARSET_TYPE
 from lib.core.enums import DBMS
 from lib.core.enums import PAYLOAD
 from lib.core.exception import SqlmapThreadException
+from lib.core.exception import SqlmapUnsupportedFeatureException
 from lib.core.settings import CHAR_INFERENCE_MARK
 from lib.core.settings import INFERENCE_BLANK_BREAK
 from lib.core.settings import INFERENCE_EQUALS_CHAR
@@ -425,6 +426,10 @@ def bisection(payload, expression, length=None, charsetType=None, firstChar=None
                             else:
                                 return None
             else:
+                if "'%s'" % CHAR_INFERENCE_MARK in payload and conf.charset:
+                    errMsg = "option '--charset' is not supported on '%s'" % Backend.getIdentifiedDbms()
+                    raise SqlmapUnsupportedFeatureException(errMsg)
+
                 candidates = list(originalTbl)
                 bit = 0
                 while len(candidates) > 1: