diff --git a/lib/core/settings.py b/lib/core/settings.py
index 9d0ea4257..8edcdd9a8 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 = "1.5.3.21"
+VERSION = "1.5.3.22"
 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/sqlmap.py b/sqlmap.py
index 735d7f9b0..ab9825e2a 100755
--- a/sqlmap.py
+++ b/sqlmap.py
@@ -435,6 +435,11 @@ def main():
             logger.critical(errMsg)
             raise SystemExit
 
+        elif all(_ in excMsg for _ in ("No such file", "sqlmap.conf", "Test")):
+            errMsg = "you are trying to run (hidden) development tests inside the production environment"
+            logger.critical(errMsg)
+            raise SystemExit
+
         elif all(_ in excMsg for _ in ("HTTPNtlmAuthHandler", "'str' object has no attribute 'decode'")):
             errMsg = "package 'python-ntlm' has a known compatibility issue with the "
             errMsg += "Python 3 (Reference: 'https://github.com/mullender/python-ntlm/pull/61')"