diff --git a/deployment/linux/create_bundle_precise.py b/deployment/linux/create_bundle_precise.py
index 9ffeff82463112f79e857ecc8f7bf202deef91da..ab0afd7b065698526c9f5ab2d057f62357734deb 100644
--- a/deployment/linux/create_bundle_precise.py
+++ b/deployment/linux/create_bundle_precise.py
@@ -11,7 +11,7 @@ import PyQt4
 # parameters that can be modified
 qt4_plugins_location='/usr/lib/i386-linux-gnu/qt4/plugins'
 ssl_crypto_location='/lib/i386-linux-gnu/'
-chemlib_dictionary_location='/home/bundler/compounds.chemlib'
+chemlib_dictionary_location='/data/Work/Software/compounds.chemlib'
 list_of_excluded_libraries=[
 'ld-linux',
 'libexpat',
@@ -68,9 +68,10 @@ directory_name='openstructure-linux-'+archstring+'-'+additional_label
 print 'Hardcoding package python binary path in openstructure executables'
 subprocess.call('rm -f scripts/ost_config.in.pre* scripts/ost_config.in.backup',shell=True,cwd='../../')
 subprocess.call('mv scripts/ost_config.in scripts/ost_config.in.backup',shell=True,cwd='../../')
-subprocess.call('sed "s/@PYTHON_BINARY@/\$DNG_ROOT\/bin\/python/g" scripts/ost_config.in.backup > scripts/ost_config.in.preprepre',shell=True,cwd='../../')
-subprocess.call('sed "s/\#export PYTHONHOME/ export PYTHONHOME/g" scripts/ost_config.in.preprepre > scripts/ost_config.in.prepre',shell=True,cwd='../../')
-subprocess.call('sed "s/\#export PYTHONPATH/ export PYTHONPATH/g" scripts/ost_config.in.prepre > scripts/ost_config.in.pre',shell=True,cwd='../../')
+subprocess.call('sed "s/@PYTHON_BINARY@/\$DNG_ROOT\/bin\/python/g" scripts/ost_config.in.backup > scripts/ost_config.in.prepreprepre',shell=True,cwd='../../')
+subprocess.call('sed "s/\#export PYTHONHOME/ export PYTHONHOME/g" scripts/ost_config.in.prepreprepre > scripts/ost_config.in.preprepre',shell=True,cwd='../../')
+subprocess.call('sed "s/\#export PYTHONPATH/ export PYTHONPATH/g" scripts/ost_config.in.preprepre > scripts/ost_config.in.prepre',shell=True,cwd='../../')
+subprocess.call('sed "s/\#unset PYTHONPATH/ unset PYTHONPATH/g" scripts/ost_config.in.prepre > scripts/ost_config.in.pre',shell=True,cwd='../../')
 subprocess.call('sed "s/\#export QT_PLUGIN_PATH/ export QT_PLUGIN_PATH/g" scripts/ost_config.in.pre > scripts/ost_config.in',shell=True,cwd='../../')
 print 'Compiling Openstructure'
 subprocess.call('cmake ./ -DCMAKE_BUILD_TYPE=Release -DPREFIX='+directory_name+' -DCOMPOUND_LIB='+chemlib_dictionary_location+' -DUSE_RPATH=ON -DENABLE_IMG=ON -DENABLE_GUI=ON -DENABLE_GFX=ON -DOPTIMIZE=ON',shell=True,cwd='../../')
@@ -121,7 +122,7 @@ for entry in filtered_dep_list:
 print 'Copy python executable into package directory structure'
 subprocess.call('cp '+system_python_bin+ ' '+directory_name+'/bin/python',shell=True,cwd='../../')
 print 'Copy python libraries into package directory structure'
-subprocess.call('cp -pRL '+system_python_libs+' '+directory_name+'/'+libdir+'/'+system_python_executable+'/',shell=True,cwd='../../')
+subprocess.call('cp -pRL '+system_python_libs+'/* '+directory_name+'/'+libdir+'/'+system_python_executable+'/',shell=True,cwd='../../')
 subprocess.call('rm -fr '+directory_name+'/'+libdir+'/'+system_python_executable+'/dist-packages',shell=True,cwd='../../')
 subprocess.call('cp -pRL '+sip_module_location+'/sip* '+directory_name+'/'+libdir+'/'+system_python_executable+'/',shell=True,cwd='../../')
 subprocess.call('cp -pRL '+qt4_module_location+' '+directory_name+'/'+libdir+'/'+system_python_executable+'/',shell=True,cwd='../../')
diff --git a/scripts/ost_config.in b/scripts/ost_config.in
index 99dd87b0faa8136f49591f206673d4b49d19b592..001309fbbfaef99c8941676ba3203faccb0a0006 100644
--- a/scripts/ost_config.in
+++ b/scripts/ost_config.in
@@ -31,10 +31,13 @@ export DYLD_FRAMEWORK_PATH="$DNG_LIBDIR:${DYLD_FRAMEWORK_PATH}"
 export DYLD_LIBRARY_PATH="$DNG_LIBDIR:${DYLD_LIBRARY_PATH}"
 export LD_LIBRARY_PATH="$DNG_LIBDIR:${LD_LIBRARY_PATH}"
 # set QT_PLUGIN_PATH for bundle (commented except in linux bundles)
-#export QT_PLUGIN_PATH="$BIN_DIR/plugins"
+ export QT_PLUGIN_PATH="$BIN_DIR/plugins"
+# unset PYTHONPATH for bundle (commented except in linux bundles)
+ unset PYTHONPATH
+
 
 # retrieve absolute path to python executable
-pyexec="@PYTHON_BINARY@"
+pyexec="$DNG_ROOT/bin/python"
 
 if [ ! -x "$pyexec" ]; then 
   echo "Error: Python executable '$pyexec' not found!"