diff --git a/lib/controller/checks.py b/lib/controller/checks.py
index 06a07917d..fa87f78bf 100644
--- a/lib/controller/checks.py
+++ b/lib/controller/checks.py
@@ -137,8 +137,8 @@ def checkSqlInjection(place, parameter, value):
                 continue
 
             # Skip tests if title is not included by the given filter
-            if conf.tstF:
-                if not any(re.search(conf.tstF, str(item), re.I) for item in (test.title, test.vector,\
+            if conf.testFilter:
+                if not any(re.search(conf.testFilter, str(item), re.I) for item in (test.title, test.vector,\
                 test.details.dbms if "details" in test and "dbms" in test.details else "")):
                     debugMsg = "skipping test '%s' because " % title
                     debugMsg += "its name/vector/dbms is not included by the given filter"
@@ -478,7 +478,7 @@ def checkSqlInjection(place, parameter, value):
                                         injection.dbms = Backend.setDbms(dValue)
                                     else:
                                         Backend.forceDbms(dValue[0], True)
-                                elif dKey == "dbms_version" and injection.dbms_version is None and not conf.tstF:
+                                elif dKey == "dbms_version" and injection.dbms_version is None and not conf.testFilter:
                                     injection.dbms_version = Backend.setVersion(dValue)
                                 elif dKey == "os" and injection.os is None:
                                     injection.os = Backend.setOs(dValue)
diff --git a/lib/core/option.py b/lib/core/option.py
index 73104b715..39069fbeb 100644
--- a/lib/core/option.py
+++ b/lib/core/option.py
@@ -1330,9 +1330,9 @@ def __cleanupOptions():
     if conf.dbms:
         conf.dbms = conf.dbms.capitalize()
 
-    if conf.tstF:
-        if not any([char in conf.tstF for char in ('.', ')', '(', ']', '[')]):
-            conf.tstF = conf.tstF.replace('*', '.*')
+    if conf.testFilter:
+        if not any([char in conf.testFilter for char in ('.', ')', '(', ']', '[')]):
+            conf.testFilter = conf.testFilter.replace('*', '.*')
 
     if conf.timeSec not in kb.explicitSettings:
         if conf.tor:
diff --git a/lib/core/optiondict.py b/lib/core/optiondict.py
index aa258275b..ee0cbb0c9 100644
--- a/lib/core/optiondict.py
+++ b/lib/core/optiondict.py
@@ -194,7 +194,7 @@ optDict = {
                                "mobile":            "boolean",
                                "pageRank":          "boolean",
                                "smart":             "boolean",
-                               "tstF":              "string",
+                               "testFilter":        "string",
                                "wizard":            "boolean",
                                "verbose":           "integer"
                              },
diff --git a/lib/core/settings.py b/lib/core/settings.py
index ab33b175d..fb9ff9549 100644
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -519,3 +519,6 @@ BOLD_PATTERNS = ("' injectable", "might be injectable", "' is vulnerable", "is n
 
 # Generic www root directory names
 GENERIC_DOC_ROOT_DIRECTORY_NAMES = ("htdocs", "wwwroot", "www")
+
+# Maximum length of a help part containing switch/option name(s)
+MAX_HELP_OPTION_LENGTH = 18
diff --git a/lib/parse/cmdline.py b/lib/parse/cmdline.py
index 353fee133..6be188db2 100644
--- a/lib/parse/cmdline.py
+++ b/lib/parse/cmdline.py
@@ -18,6 +18,7 @@ from lib.core.data import logger
 from lib.core.defaults import defaults
 from lib.core.settings import BASIC_HELP_ITEMS
 from lib.core.settings import IS_WIN
+from lib.core.settings import MAX_HELP_OPTION_LENGTH
 from lib.core.settings import VERSION_STRING
 
 def cmdLineParser():
@@ -629,7 +630,7 @@ def cmdLineParser():
                                   action="store_true",
                                   help="Conduct through tests only if positive heuristic(s)")
 
-        miscellaneous.add_option("--test-filter", dest="tstF",
+        miscellaneous.add_option("--test-filter", dest="testFilter",
                                   help="Select tests by payloads and/or titles (e.g. ROW)")
 
         miscellaneous.add_option("--wizard", dest="wizard",
@@ -677,8 +678,8 @@ def cmdLineParser():
         # Dirty hack to display longer options without breaking into two lines
         def _(self, *args):
             _ = parser.formatter._format_option_strings(*args)
-            if len(_) > 18:
-                _ = "%.16s.." % _
+            if len(_) > MAX_HELP_OPTION_LENGTH:
+                _ = ("%%.%ds.." % (MAX_HELP_OPTION_LENGTH - parser.formatter.indent_increment)) % _
             return _
 
         parser.formatter._format_option_strings = parser.formatter.format_option_strings
diff --git a/sqlmap.conf b/sqlmap.conf
index b5774a6ec..85ea6e9ed 100644
--- a/sqlmap.conf
+++ b/sqlmap.conf
@@ -669,7 +669,7 @@ pageRank = False
 smart = False
 
 # Select tests by payloads and/or titles (e.g. ROW)
-tstF =
+testFilter =
 
 # Simple wizard interface for beginner users.
 # Valid: True or False