diff --git a/installer/ga_postinstall_setup.sh b/installer/ga_postinstall_setup.sh
index f0c7a48..28c734c 100755
--- a/installer/ga_postinstall_setup.sh
+++ b/installer/ga_postinstall_setup.sh
@@ -17,10 +17,48 @@ if [ $? != 0 ]; then
   exit 1
 fi
 
-cd ..
+whiptail --msgbox "Installing packages" 7 23
+cd plugins/germanairlinesva/fleet
+yarn install
+if [ $? != 0 ]; then
+  echo -e "\033[0;31mCould not install fleet packages"
+  exit 1
+fi
+cd ../graphql
+yarn install
+if [ $? != 0 ]; then
+  echo -e "\033[0;31mCould not install graphql packages"
+  exit 1
+fi
+cd ../react
+yarn install
+if [ $? != 0 ]; then
+  echo -e "\033[0;31mCould not install react packages"
+  exit 1
+fi
+cd ../routes
+yarn install
+if [ $? != 0 ]; then
+  echo -e "\033[0;31mCould not install routes packages"
+  exit 1
+fi
+cd ../schooling
+yarn install
+if [ $? != 0 ]; then
+  echo -e "\033[0;31mCould not install schooling packages"
+  exit 1
+fi
+cd ../social
+yarn install
+if [ $? != 0 ]; then
+  echo -e "\033[0;31mCould not install social packages"
+  exit 1
+fi
+
+cd /var/www/ga
 
 whiptail --msgbox "Setting ownership" 7 21
-chown www-data -R .
+chown www-data:www-data -R .
 if [ $? != 0 ]; then
   echo -e "\033[0;31mCould not set ownership to www-data"
   exit 1