diff --git a/lib/controller/checks.py b/lib/controller/checks.py
index 6ed0e24a4..be0fc9f01 100644
--- a/lib/controller/checks.py
+++ b/lib/controller/checks.py
@@ -1518,7 +1518,7 @@ def checkConnection(suppressOutput=False):
             warnMsg += "which could interfere with the results of the tests"
             logger.warn(warnMsg)
         elif wasLastResponseHTTPError():
-            if getLastRequestHTTPError() != conf.ignoreCode:
+            if getLastRequestHTTPError() not in (conf.ignoreCode or []):
                 warnMsg = "the web server responded with an HTTP error code (%d) " % getLastRequestHTTPError()
                 warnMsg += "which could interfere with the results of the tests"
                 logger.warn(warnMsg)
diff --git a/lib/core/option.py b/lib/core/option.py
index 335850ab8..815664837 100644
--- a/lib/core/option.py
+++ b/lib/core/option.py
@@ -1555,6 +1555,15 @@ def _cleanupOptions():
     else:
         conf.testParameter = []
 
+    if conf.ignoreCode:
+        try:
+            conf.ignoreCode = [int(_) for _ in re.split(PARAMETER_SPLITTING_REGEX, conf.ignoreCode)]
+        except ValueError:
+            errMsg = "options '--ignore-code' should contain a list of integer values"
+            raise SqlmapSyntaxException(errMsg)
+    else:
+        conf.ignoreCode = []
+
     if conf.paramFilter:
         conf.paramFilter = [_.strip() for _ in re.split(PARAMETER_SPLITTING_REGEX, conf.paramFilter.upper())]
     else:
diff --git a/lib/core/optiondict.py b/lib/core/optiondict.py
index ad2dc6f5f..9ded226f8 100644
--- a/lib/core/optiondict.py
+++ b/lib/core/optiondict.py
@@ -38,7 +38,7 @@ optDict = {
         "authType": "string",
         "authCred": "string",
         "authFile": "string",
-        "ignoreCode": "integer",
+        "ignoreCode": "string",
         "ignoreProxy": "boolean",
         "ignoreRedirects": "boolean",
         "ignoreTimeouts": "boolean",
diff --git a/lib/core/settings.py b/lib/core/settings.py
index 9c1b101c2..b84ce06b9 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 = "1.3.7.29"
+VERSION = "1.3.7.30"
 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/parse/cmdline.py b/lib/parse/cmdline.py
index 8e1bb9af5..0d51f5d0d 100644
--- a/lib/parse/cmdline.py
+++ b/lib/parse/cmdline.py
@@ -176,7 +176,7 @@ def cmdLineParser(argv=None):
         request.add_argument("--auth-file", dest="authFile",
             help="HTTP authentication PEM cert/private key file")
 
-        request.add_argument("--ignore-code", dest="ignoreCode", type=int,
+        request.add_argument("--ignore-code", dest="ignoreCode",
             help="Ignore (problematic) HTTP error code (e.g. 401)")
 
         request.add_argument("--ignore-proxy", dest="ignoreProxy", action="store_true",
diff --git a/lib/request/connect.py b/lib/request/connect.py
index fec444c5f..70a2a4e97 100644
--- a/lib/request/connect.py
+++ b/lib/request/connect.py
@@ -646,7 +646,7 @@ class Connect(object):
             if not multipart:
                 logger.log(CUSTOM_LOGGING.TRAFFIC_IN, responseMsg)
 
-            if ex.code != conf.ignoreCode:
+            if ex.code not in (conf.ignoreCode or []):
                 if ex.code == _http_client.UNAUTHORIZED:
                     errMsg = "not authorized, try to provide right HTTP "
                     errMsg += "authentication type and valid credentials (%d)" % code