diff --git a/lib/core/settings.py b/lib/core/settings.py
index 763654306..67d495497 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 = "1.1.12.15"
+VERSION = "1.1.12.16"
 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/utils/hash.py b/lib/utils/hash.py
index f1ffc01be..ac16701fe 100644
--- a/lib/utils/hash.py
+++ b/lib/utils/hash.py
@@ -81,6 +81,7 @@ from lib.core.settings import UNICODE_ENCODING
 from lib.core.settings import ROTATING_CHARS
 from lib.core.wordlist import Wordlist
 from thirdparty.colorama.initialise import init as coloramainit
+from thirdparty.oset.pyoset import oset
 from thirdparty.pydes.pyDes import des
 from thirdparty.pydes.pyDes import CBC
 
@@ -555,37 +556,37 @@ def storeHashesToFile(attack_dict):
     if not attack_dict:
         return
 
+    items = oset()
+
+    for user, hashes in attack_dict.items():
+        for hash_ in hashes:
+            hash_ = hash_.split()[0] if hash_ and hash_.strip() else hash_
+            if hash_ and hash_ != NULL and hashRecognition(hash_):
+                item = None
+                if user and not user.startswith(DUMMY_USER_PREFIX):
+                    item = "%s:%s\n" % (user.encode(UNICODE_ENCODING), hash_.encode(UNICODE_ENCODING))
+                else:
+                    item = "%s\n" % hash_.encode(UNICODE_ENCODING)
+
+                if item and item not in items:
+                    items.add(item)
+
     if kb.storeHashesChoice is None:
         message = "do you want to store hashes to a temporary file "
         message += "for eventual further processing with other tools [y/N] "
 
         kb.storeHashesChoice = readInput(message, default='N', boolean=True)
 
-    if not kb.storeHashesChoice:
-        return
+    if kb.storeHashesChoice:
+        handle, filename = tempfile.mkstemp(prefix=MKSTEMP_PREFIX.HASHES, suffix=".txt")
+        os.close(handle)
 
-    handle, filename = tempfile.mkstemp(prefix=MKSTEMP_PREFIX.HASHES, suffix=".txt")
-    os.close(handle)
+        infoMsg = "writing hashes to a temporary file '%s' " % filename
+        logger.info(infoMsg)
 
-    infoMsg = "writing hashes to a temporary file '%s' " % filename
-    logger.info(infoMsg)
-
-    items = set()
-
-    with open(filename, "w+") as f:
-        for user, hashes in attack_dict.items():
-            for hash_ in hashes:
-                hash_ = hash_.split()[0] if hash_ and hash_.strip() else hash_
-                if hash_ and hash_ != NULL and hashRecognition(hash_):
-                    item = None
-                    if user and not user.startswith(DUMMY_USER_PREFIX):
-                        item = "%s:%s\n" % (user.encode(UNICODE_ENCODING), hash_.encode(UNICODE_ENCODING))
-                    else:
-                        item = "%s\n" % hash_.encode(UNICODE_ENCODING)
-
-                    if item and item not in items:
-                        f.write(item)
-                        items.add(item)
+        with open(filename, "w+") as f:
+            for item in items:
+                f.write(item)
 
 def attackCachedUsersPasswords():
     if kb.data.cachedUsersPasswords:
diff --git a/txt/checksum.md5 b/txt/checksum.md5
index 54bdeca5e..972b26e6f 100644
--- a/txt/checksum.md5
+++ b/txt/checksum.md5
@@ -46,7 +46,7 @@ f872699e948d0692ce11b54781da814c  lib/core/log.py
 760d9df2a27ded29109b390ab202e72d  lib/core/replication.py
 a2466b62e67f8b31736bac4dac590e51  lib/core/revision.py
 02d4762140a72fd44668d3dab5eabda9  lib/core/session.py
-6c29683312b1a40cdf81fa378efc9fc2  lib/core/settings.py
+6c134f0e75978056a01a6442bbef1ac8  lib/core/settings.py
 35bffbad762eb9e03db9e93b1c991103  lib/core/shell.py
 a59ec28371ae067a6fdd8f810edbee3d  lib/core/subprocessng.py
 d93501771b41315f9fb949305b6ed257  lib/core/target.py
@@ -105,7 +105,7 @@ a2d2087353fb64a8441c3247ae0ad719  lib/utils/deps.py
 b806de9710a02436e576ac9065816021  lib/utils/getch.py
 fe3a38f820ae05a95f92ab53e22b46d0  lib/utils/har.py
 1bdd3e6483d3d7c4fd6ec59e9526b542  lib/utils/hashdb.py
-193c294d960c310808495a63167eab00  lib/utils/hash.py
+148ab1b7662d441a2e5537ebc8dcb755  lib/utils/hash.py
 f20ae1aa6a8d1d5373ace1f7ed3476a7  lib/utils/htmlentities.py
 5fb9aaf874daa47ea2b672a22740e56b  lib/utils/__init__.py
 67dbbf9cc9aa9665c1efcebdba5b1559  lib/utils/pivotdumptable.py