diff --git a/lib/core/dump.py b/lib/core/dump.py
index 5d7a38c01..33adf333b 100644
--- a/lib/core/dump.py
+++ b/lib/core/dump.py
@@ -614,7 +614,7 @@ class Dump(object):
                     if len(value) > MIN_BINARY_DISK_DUMP_SIZE and r'\x' in value:
                         try:
                             mimetype = magic.from_buffer(value, mime=True)
-                            if any(mimetype.startswith(_) for _ in ("application", "image")):
+                            if any(mimetype.startswith(_) for _ in (b"application", b"image")):
                                 if not os.path.isdir(dumpDbPath):
                                     os.makedirs(dumpDbPath)
 
diff --git a/lib/core/settings.py b/lib/core/settings.py
index 9df30172c..722955904 100644
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -18,7 +18,7 @@ from lib.core.enums import OS
 from thirdparty import six
 
 # sqlmap version (<major>.<minor>.<month>.<monthly commit>)
-VERSION = "1.3.5.39"
+VERSION = "1.3.5.40"
 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/core/subprocessng.py b/lib/core/subprocessng.py
index 2ffecc88e..3bd103055 100644
--- a/lib/core/subprocessng.py
+++ b/lib/core/subprocessng.py
@@ -12,6 +12,7 @@ import time
 
 from lib.core.compat import buffer
 from lib.core.settings import IS_WIN
+from thirdparty import six
 
 if IS_WIN:
     try:
@@ -97,7 +98,7 @@ class Popen(subprocess.Popen):
             except ValueError:
                 return self._close('stdin')
             except (subprocess.pywintypes.error, Exception) as ex:
-                if ex[0] in (109, errno.ESHUTDOWN):
+                if (ex[0] if six.PY2 else ex.errno) in (109, errno.ESHUTDOWN):
                     return self._close('stdin')
                 raise
 
@@ -118,7 +119,7 @@ class Popen(subprocess.Popen):
             except (ValueError, NameError):
                 return self._close(which)
             except (subprocess.pywintypes.error, Exception) as ex:
-                if ex[0] in (109, errno.ESHUTDOWN):
+                if (ex[0] if six.PY2 else ex.errno) in (109, errno.ESHUTDOWN):
                     return self._close(which)
                 raise
 
@@ -136,7 +137,7 @@ class Popen(subprocess.Popen):
             try:
                 written = os.write(self.stdin.fileno(), input)
             except OSError as ex:
-                if ex[0] == errno.EPIPE:  # broken pipe
+                if (ex[0] if six.PY2 else ex.errno) == errno.EPIPE:  # broken pipe
                     return self._close('stdin')
                 raise
 
diff --git a/lib/takeover/metasploit.py b/lib/takeover/metasploit.py
index 41c9db016..c12d678f5 100644
--- a/lib/takeover/metasploit.py
+++ b/lib/takeover/metasploit.py
@@ -598,7 +598,7 @@ class Metasploit:
 
             except select.error as ex:
                 # Reference: https://github.com/andymccurdy/redis-py/pull/743/commits/2b59b25bb08ea09e98aede1b1f23a270fc085a9f
-                if ex[0] == errno.EINTR:
+                if (ex[0] if six.PY2 else ex.errno) == errno.EINTR:
                     continue
                 else:
                     return proc.returncode
diff --git a/lib/utils/sqlalchemy.py b/lib/utils/sqlalchemy.py
index 6e6c9961b..71cec4dad 100644
--- a/lib/utils/sqlalchemy.py
+++ b/lib/utils/sqlalchemy.py
@@ -77,7 +77,7 @@ class SQLAlchemy(GenericConnector):
             except SqlmapFilePathException:
                 raise
             except Exception as ex:
-                raise SqlmapConnectionException("SQLAlchemy connection issue ('%s')" % ex[0])
+                raise SqlmapConnectionException("SQLAlchemy connection issue ('%s')" % ex.msg)
 
             self.printConnected()
         else:
diff --git a/plugins/generic/connector.py b/plugins/generic/connector.py
index f80723564..ca52a3be0 100644
--- a/plugins/generic/connector.py
+++ b/plugins/generic/connector.py
@@ -31,14 +31,12 @@ class Connector:
 
     def printConnected(self):
         if self.hostname and self.port:
-            infoMsg = "connection to %s server %s" % (conf.dbms, self.hostname)
-            infoMsg += ":%d established" % self.port
+            infoMsg = "connection to %s server '%s:%d' established" % (conf.dbms, self.hostname, self.port)
             logger.info(infoMsg)
 
     def closed(self):
         if self.hostname and self.port:
-            infoMsg = "connection to %s server %s" % (conf.dbms, self.hostname)
-            infoMsg += ":%d closed" % self.port
+            infoMsg = "connection to %s server '%s:%d' closed" % (conf.dbms, self.hostname, self.port)
             logger.info(infoMsg)
 
         self.connector = None