diff --git a/install_osx_user.sh b/install_osx_user.sh
index cef1f3cc..29242078 100644
--- a/install_osx_user.sh
+++ b/install_osx_user.sh
@@ -1,60 +1,62 @@
 #!/bin/bash
 
 # This script will build python3-sipsimple and its command line tools on MacOS
 # https://github.com/AGProjects/python3-sipsimple
 
 # Last tested on MacOS Ventura 13.6.7, Xcode 14.3.1 and Python 3.9
 #
 # Install Xcode from Apple
 # Install MacPorts from https://www.macports.org
 # Install python 3.9 from https://www.python.org/ftp/python/3.9.12/python-3.9.12-macosx10.9.pkg
 #
 # Then run this script to install the packages in ~/Library/Python/3.9/lib/python/site-packages/
 
 # Install C building dependencies
 sudo port install darcs yasm x264 gnutls openssl sqlite3 gnutls ffmpeg mpfr libmpc libvpx
 
 # Install Python building dependencies
 
 pip3 install --user cython==0.29.37 dnspython lxml twisted python-dateutil greenlet \
 zope.interface requests gmpy2 wheel gevent
 
 # Create a work directory
 
 if [ ! -d work ]; then
     mkdir work
 fi
 
 cd work
 
 # Download and build SIP SIMPLE client SDK built-in dependencies
 for p in python3-application python3-eventlib python3-gnutls python3-otr python3-msrplib python3-xcaplib; do
     if [ ! -d $p ]; then
        darcs clone http://devel.ag-projects.com/repositories/$p
     fi
     cd $p
     pip3 install --user .
     cd ..
 done
 
 # Download and build SIP SIMPLE client SDK
 if [ ! -d python3-sipsimple ]; then
     darcs clone http://devel.ag-projects.com/repositories/python3-sipsimple
 fi
 
 cd python3-sipsimple
+chmod +x ./get_dependencies.sh
+chmod +x ./build_inplace
 ./get_dependencies.sh 
 pip3 install --user .
 cd ..
 
-# Download nand install SIP command line tools
+# Download and install SIP command line tools
 if [ ! -d sipclients3 ]; then
     darcs clone http://devel.ag-projects.com/repositories/sipclients3
 fi
 
 cd sipclients3
 pip3 install --user .
 cd ..
 
 # The binaries starting with sip- prefix have been installed in ~/Library/Python/3.9/bin
 # See more notes inside docs/ folder