diff --git a/lib/core/settings.py b/lib/core/settings.py
index 51ed5059d..aa233dfc8 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 = "1.3.1.79"
+VERSION = "1.3.1.80"
 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/request/connect.py b/lib/request/connect.py
index 4c65187c6..de9dbff84 100644
--- a/lib/request/connect.py
+++ b/lib/request/connect.py
@@ -1308,8 +1308,8 @@ class Connect(object):
         elif noteResponseTime:
             kb.responseTimes.setdefault(kb.responseTimeMode, [])
             kb.responseTimes[kb.responseTimeMode].append(threadData.lastQueryDuration)
-            if len(kb.responseTimes) > MAX_TIME_RESPONSES:
-                kb.responseTimes = kb.responseTimes[-MAX_TIME_RESPONSES:]
+            if len(kb.responseTimes[kb.responseTimeMode]) > MAX_TIME_RESPONSES:
+                kb.responseTimes[kb.responseTimeMode] = kb.responseTimes[kb.responseTimeMode][-MAX_TIME_RESPONSES // 2:]
 
         if not response and removeReflection:
             page = removeReflectiveValues(page, payload)
diff --git a/txt/checksum.md5 b/txt/checksum.md5
index 48f8f1671..c71c5071b 100644
--- a/txt/checksum.md5
+++ b/txt/checksum.md5
@@ -50,7 +50,7 @@ fe370021c6bc99daf44b2bfc0d1effb3  lib/core/patch.py
 7d8a22c582ad201f65b73225e4456170  lib/core/replication.py
 3179d34f371e0295dd4604568fb30bcd  lib/core/revision.py
 d6269c55789f78cf707e09a0f5b45443  lib/core/session.py
-22d863656bbd0c35477126043a0110f3  lib/core/settings.py
+18eeffa589e845f62a7c0452ba3c373a  lib/core/settings.py
 4483b4a5b601d8f1c4281071dff21ecc  lib/core/shell.py
 10fd19b0716ed261e6d04f311f6f527c  lib/core/subprocessng.py
 9c7b5c6397fb3da33e7a4d7876d159c6  lib/core/target.py
@@ -72,7 +72,7 @@ adcecd2d6a8667b22872a563eb83eac0  lib/parse/payloads.py
 e4ea70bcd461f5176867dcd89d372386  lib/request/basicauthhandler.py
 97b7577fdfe3d8537fe9ea3a070d0507  lib/request/basic.py
 fc25d951217077fe655ed2a3a81552ae  lib/request/comparison.py
-28faffc0aeb0d8a3e78063f195488536  lib/request/connect.py
+2fde12a95133b26699e26a5c56311c38  lib/request/connect.py
 7cba86090b02558f04c6692cef66e772  lib/request/direct.py
 2b7509ba38a667c61cefff036ec4ca6f  lib/request/dns.py
 ceac6b3bf1f726f8ff43c6814e9d7281  lib/request/httpshandler.py