diff --git a/lib/core/decorators.py b/lib/core/decorators.py
index 6f7ce5cae..c3823dd19 100644
--- a/lib/core/decorators.py
+++ b/lib/core/decorators.py
@@ -5,6 +5,8 @@ Copyright (c) 2006-2017 sqlmap developers (http://sqlmap.org/)
 See the file 'LICENSE' for copying permission
 """
 
+import hashlib
+
 def cachedmethod(f, cache={}):
     """
     Method with a cached content
@@ -13,14 +15,9 @@ def cachedmethod(f, cache={}):
     """
 
     def _(*args, **kwargs):
-        try:
-            key = hash((f, tuple(args), frozenset(kwargs.items())))
-            if key not in cache:
-                cache[key] = f(*args, **kwargs)
-        except:
-            key = hash("".join(str(_) for _ in (f, args, kwargs)))
-            if key not in cache:
-                cache[key] = f(*args, **kwargs)
+        key = int(hashlib.md5("".join(str(_) for _ in (f, args, kwargs))).hexdigest()[:8], 16)
+        if key not in cache:
+            cache[key] = f(*args, **kwargs)
 
         return cache[key]
 
diff --git a/lib/core/settings.py b/lib/core/settings.py
index c77767281..18f36275b 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 = "1.1.12.26"
+VERSION = "1.1.12.27"
 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/txt/checksum.md5 b/txt/checksum.md5
index 099400028..f340762f1 100644
--- a/txt/checksum.md5
+++ b/txt/checksum.md5
@@ -31,7 +31,7 @@ d2cdb9e832e18a81e936ca3348144b16  lib/controller/handler.py
 5c918135b3776bb129edbfdd422ece1b  lib/core/convert.py
 90b1b08368ac8a859300e6fa6a8c796e  lib/core/data.py
 1c14bdbf47b8dba31f73da9ad731a54a  lib/core/datatype.py
-2c16cdbbccbfcfc0ddac2cff876ce9f3  lib/core/decorators.py
+a73da01cee9d00ba385b05adc4903037  lib/core/decorators.py
 d3ed5f9baa074df33390d33164d9d8b5  lib/core/defaults.py
 1c428d1b036ff81b459121a0e57925c9  lib/core/dicts.py
 956be8ca65c7f04f08c6f2dce710b3b2  lib/core/dump.py
@@ -46,7 +46,7 @@ f872699e948d0692ce11b54781da814c  lib/core/log.py
 760d9df2a27ded29109b390ab202e72d  lib/core/replication.py
 a2466b62e67f8b31736bac4dac590e51  lib/core/revision.py
 02d4762140a72fd44668d3dab5eabda9  lib/core/session.py
-1f35b3da2c4497b5fb39f50a6d8e0738  lib/core/settings.py
+c9d7d58cff59c79667e150b3fd6bcd6c  lib/core/settings.py
 35bffbad762eb9e03db9e93b1c991103  lib/core/shell.py
 a59ec28371ae067a6fdd8f810edbee3d  lib/core/subprocessng.py
 d93501771b41315f9fb949305b6ed257  lib/core/target.py