diff --git a/lib/core/option.py b/lib/core/option.py
index 3704f2733..526693768 100644
--- a/lib/core/option.py
+++ b/lib/core/option.py
@@ -98,6 +98,7 @@ from lib.core.exception import SqlmapSyntaxException
 from lib.core.exception import SqlmapSystemException
 from lib.core.exception import SqlmapUnsupportedDBMSException
 from lib.core.exception import SqlmapUserQuitException
+from lib.core.exception import SqlmapValueException
 from lib.core.log import FORMATTER
 from lib.core.optiondict import optDict
 from lib.core.settings import CODECS_LIST_PAGE
@@ -1418,7 +1419,10 @@ def _setHTTPTimeout():
     else:
         conf.timeout = 30.0
 
-    socket.setdefaulttimeout(conf.timeout)
+    try:
+        socket.setdefaulttimeout(conf.timeout)
+    except OverflowError as ex:
+        raise SqlmapValueException("invalid value used for option '--timeout' ('%s')" % getSafeExString(ex))
 
 def _checkDependencies():
     """
diff --git a/lib/core/settings.py b/lib/core/settings.py
index 63398835d..c0d6a759b 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 = "1.3.11.80"
+VERSION = "1.3.11.81"
 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)