diff --git a/lib/core/agent.py b/lib/core/agent.py
index 48d8173b7..15fc96910 100644
--- a/lib/core/agent.py
+++ b/lib/core/agent.py
@@ -27,6 +27,7 @@ from lib.core.common import unArrayizeValue
 from lib.core.common import urlencode
 from lib.core.common import zeroDepthSearch
 from lib.core.compat import xrange
+from lib.core.convert import encodeBase64
 from lib.core.convert import getUnicode
 from lib.core.data import conf
 from lib.core.data import kb
@@ -170,8 +171,8 @@ class Agent(object):
 
         if re.sub(r" \(.+", "", parameter) in conf.base64Parameter:
             # TODO: support for POST_HINT
-            newValue = base64.b64encode(newValue)
-            origValue = base64.b64encode(origValue)
+            newValue = encodeBase64(newValue, binary=False)
+            origValue = encodeBase64(origValue, binary=False)
 
         if place in (PLACE.URI, PLACE.CUSTOM_POST, PLACE.CUSTOM_HEADER):
             _ = "%s%s" % (origValue, kb.customInjectionMark)
diff --git a/lib/core/settings.py b/lib/core/settings.py
index 6c25ced44..66f933be9 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 = "1.3.9.14"
+VERSION = "1.3.9.15"
 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)