diff --git a/rfc1924/__init__.py b/rfc1924/__init__.py
index c0f890e..7e0f0f4 100644
--- a/rfc1924/__init__.py
+++ b/rfc1924/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "0.2.2"
+__version__ = "0.2.3"
 __author__ = "0xflotus"
 
 from .rfc1924 import encode, decode, savings
diff --git a/rfc1924/rfc1924.py b/rfc1924/rfc1924.py
index dc93cf4..b016b74 100644
--- a/rfc1924/rfc1924.py
+++ b/rfc1924/rfc1924.py
@@ -98,7 +98,7 @@ def encode(ipv6):
         lst[idx] = num_ipv6 % 0x55
         num_ipv6 //= 0x55
         idx += 1
-    return "".join(list(map(lambda x: lookup_table[x], list(reversed(lst)))))
+    return "".join(map(lambda x: lookup_table[x], reversed(lst)))
 
 
 def decode(encoded_ipv6):
diff --git a/setup.py b/setup.py
index 99c5bdd..de27d09 100644
--- a/setup.py
+++ b/setup.py
@@ -6,7 +6,7 @@
 
 setup(
     name="rfc1924",
-    version="0.2.2",
+    version="0.2.3",
     description="Implementation of RFC 1924",
     long_description=README,
     long_description_content_type="text/markdown",