diff --git a/lib/core/settings.py b/lib/core/settings.py
index 6157a1170..d5bbbe044 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 = "1.5.3.14"
+VERSION = "1.5.3.15"
 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)
diff --git a/lib/utils/hash.py b/lib/utils/hash.py
index 7510104a5..6dec9745b 100644
--- a/lib/utils/hash.py
+++ b/lib/utils/hash.py
@@ -13,22 +13,6 @@ except:  # removed ImportError because of https://github.com/sqlmapproject/sqlma
     from thirdparty.fcrypt.fcrypt import crypt
 
 _multiprocessing = None
-try:
-    import multiprocessing
-
-    # problems on FreeBSD (Reference: https://web.archive.org/web/20110710041353/http://www.eggheadcafe.com/microsoft/Python/35880259/multiprocessing-on-freebsd.aspx)
-    _ = multiprocessing.Queue()
-
-    # problems with ctypes (Reference: https://github.com/sqlmapproject/sqlmap/issues/2952)
-    _ = multiprocessing.Value('i')
-except (ImportError, OSError, AttributeError):
-    pass
-else:
-    try:
-        if multiprocessing.cpu_count() > 1:
-            _multiprocessing = multiprocessing
-    except NotImplementedError:
-        pass
 
 import base64
 import binascii
@@ -983,6 +967,24 @@ def dictionaryAttack(attack_dict):
 
     if conf.disableMulti:
         _multiprocessing = None
+    else:
+        # Note: https://github.com/sqlmapproject/sqlmap/issues/4367
+        try:
+            import multiprocessing
+
+            # problems on FreeBSD (Reference: https://web.archive.org/web/20110710041353/http://www.eggheadcafe.com/microsoft/Python/35880259/multiprocessing-on-freebsd.aspx)
+            _ = multiprocessing.Queue()
+
+            # problems with ctypes (Reference: https://github.com/sqlmapproject/sqlmap/issues/2952)
+            _ = multiprocessing.Value('i')
+        except (ImportError, OSError, AttributeError):
+            pass
+        else:
+            try:
+                if multiprocessing.cpu_count() > 1:
+                    _multiprocessing = multiprocessing
+            except NotImplementedError:
+                pass
 
     for (_, hashes) in attack_dict.items():
         for hash_ in hashes: