diff --git a/lib/core/settings.py b/lib/core/settings.py
index d029fe5f3..977652c7c 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 = "1.2.4.21"
+VERSION = "1.2.4.22"
 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/target.py b/lib/core/target.py
index 98d0de3b9..abddc9428 100644
--- a/lib/core/target.py
+++ b/lib/core/target.py
@@ -230,7 +230,7 @@ def _setRequestParams():
             if kb.customInjectionMark not in conf.data:  # in case that no usable parameter values has been found
                 conf.parameters[PLACE.POST] = conf.data
 
-    kb.processUserMarks = True if (kb.postHint and kb.customInjectionMark in conf.data) else kb.processUserMarks
+    kb.processUserMarks = True if (kb.postHint and kb.customInjectionMark in (conf.data or "")) else kb.processUserMarks
 
     if re.search(URI_INJECTABLE_REGEX, conf.url, re.I) and not any(place in conf.parameters for place in (PLACE.GET, PLACE.POST)) and not kb.postHint and kb.customInjectionMark not in (conf.data or "") and conf.url.startswith("http"):
         warnMsg = "you've provided target URL without any GET "
diff --git a/txt/checksum.md5 b/txt/checksum.md5
index 9055570eb..252fa7e25 100644
--- a/txt/checksum.md5
+++ b/txt/checksum.md5
@@ -46,10 +46,10 @@ c9a56e58984420a5abb7a3f7aadc196d  lib/core/optiondict.py
 0c3eef46bdbf87e29a3f95f90240d192  lib/core/replication.py
 a7db43859b61569b601b97f187dd31c5  lib/core/revision.py
 fcb74fcc9577523524659ec49e2e964b  lib/core/session.py
-2f9027a2ceb362b21119d335bbcdaa4c  lib/core/settings.py
+2fb08059839ea1dc9972548c58e210e9  lib/core/settings.py
 0dfc2ed40adf72e302291f6ecd4406f6  lib/core/shell.py
 a7edc9250d13af36ac0108f259859c19  lib/core/subprocessng.py
-a35efa7bec9f1e6cedf17c9830a79241  lib/core/target.py
+6306284edcccc185b2df085438572b0d  lib/core/target.py
 72d499ca8d792e90a1ebfb2ad2341a51  lib/core/testing.py
 de9922a29c71a235cb95a916ff925db2  lib/core/threads.py
 c40758411bb0bd68764d78e0bb72bd0f  lib/core/unescaper.py