diff --git a/lib/core/settings.py b/lib/core/settings.py
index f7c130787..75b13d7ff 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 = "1.5.1.11"
+VERSION = "1.5.1.12"
 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/basic.py b/lib/request/basic.py
index 1e05a8f21..db10990c3 100644
--- a/lib/request/basic.py
+++ b/lib/request/basic.py
@@ -303,7 +303,7 @@ def decodePage(page, contentEncoding, contentType, percentDecode=True):
 
             page = data.read()
         except Exception as ex:
-            if "<html" not in page:  # in some cases, invalid "Content-Encoding" appears for plain HTML (should be ignored)
+            if b"<html" not in page:  # in some cases, invalid "Content-Encoding" appears for plain HTML (should be ignored)
                 errMsg = "detected invalid data for declared content "
                 errMsg += "encoding '%s' ('%s')" % (contentEncoding, getSafeExString(ex))
                 singleTimeLogMessage(errMsg, logging.ERROR)
diff --git a/lib/request/connect.py b/lib/request/connect.py
index 66be54d27..881266855 100644
--- a/lib/request/connect.py
+++ b/lib/request/connect.py
@@ -241,7 +241,7 @@ class Connect(object):
                     if len(part) == MAX_CONNECTION_READ_SIZE:
                         warnMsg = "large response detected. This could take a while"
                         singleTimeWarnMessage(warnMsg)
-                        part = re.sub(r"(?si)%s.+?%s" % (kb.chars.stop, kb.chars.start), "%s%s%s" % (kb.chars.stop, LARGE_READ_TRIM_MARKER, kb.chars.start), part)
+                        part = re.sub(getBytes(r"(?si)%s.+?%s" % (kb.chars.stop, kb.chars.start)), getBytes("%s%s%s" % (kb.chars.stop, LARGE_READ_TRIM_MARKER, kb.chars.start)), part)
                         retVal += part
                     else:
                         retVal += part