diff --git a/README.md b/README.md
index 110a49f..c9dd1f6 100644
--- a/README.md
+++ b/README.md
@@ -87,7 +87,7 @@ For the (latest) SSHFS (v3.7), useful to test the above tips:
 ## Docker
 You may use Docker to mount encrypted EGA files using FUSE and decrypt them on-the-fly with your Crypt4GH private key:
 
-    docker build -t ega_crypt4ghfs:{tag}
+    docker build -t ega_crypt4ghfs:{tag} .
     docker run -d --name ega_crypt4ghfs_container \
         -v /path/to/private.key:/tmp/ega_secret_key:ro \
         -e USER_PRIVATE_KEY_FILE="/tmp/ega_secret_key" \
diff --git a/crypt4ghfs/__init__.py b/crypt4ghfs/__init__.py
index 638ea97..9c108c4 100644
--- a/crypt4ghfs/__init__.py
+++ b/crypt4ghfs/__init__.py
@@ -6,7 +6,7 @@
 """The pipeline package contains code to start an *Ingestion pipeline*."""
 
 __title__ = 'Crypt4GH FUSE file system'
-__version__ = '1.2.2'
+__version__ = '1.2.3'
 __author__ = 'Frédéric Haziza'
 __license__ = 'Apache 2.0'
 __copyright__ = 'Crypt4ghFS @ CRG, Barcelona'
diff --git a/setup.py b/setup.py
index 86d2cef..157c4ea 100644
--- a/setup.py
+++ b/setup.py
@@ -4,6 +4,7 @@
 from pathlib import Path
 import re
 from setuptools import setup, find_packages
+import os
 
 # In this way, we are sure we are getting
 # the installer's version of the library