diff --git a/ee/cli/plugins/stack_upgrade.py b/ee/cli/plugins/stack_upgrade.py
index 4c9eac0a..3743a11f 100644
--- a/ee/cli/plugins/stack_upgrade.py
+++ b/ee/cli/plugins/stack_upgrade.py
@@ -165,7 +165,7 @@ class EEStackUpgradeController(CementBaseController):
                 if EEAptGet.is_installed(self, 'mariadb-server'):
                     apt_packages = apt_packages + EEVariables.ee_mysql
                 else:
-                    Log.info(self, "MySQL is not installed")
+                    Log.info(self, "MariaDB is not installed")
 
             if self.app.pargs.postfix:
                 if EEAptGet.is_installed(self, 'postfix'):
@@ -188,6 +188,31 @@ class EEStackUpgradeController(CementBaseController):
                 EEAptGet.install(self, apt_packages)
                 Log.info(self, "Successfully updated packages")
 
+            # Post Actions after package updates
+            if set(EEVariables.ee_nginx).issubset(set(apt_packages)):
+                # Fix whitescreen of death beacuse of missing value
+                # fastcgi_param SCRIPT_FILENAME $request_filename; in file
+                # /etc/nginx/fastcgi_params
+                if not EEFileUtils.grep(self, '/etc/nginx/fastcgi_params',
+                                        'SCRIPT_FILENAME'):
+                    with open('/etc/nginx/fastcgi_params',
+                              encoding='utf-8', mode='a') as ee_nginx:
+                        ee_nginx.write('fastcgi_param \tSCRIPT_FILENAME '
+                                       '\t$request_filename;\n')
+
+                EEService.restart_service(self, 'nginx')
+
+            if set(EEVariables.ee_php).issubset(set(apt_packages)):
+                EEService.restart_service(self, 'php')
+            if set(EEVariables.ee_hhvm).issubset(set(apt_packages)):
+                EEService.restart_service(self, 'hhvm')
+            if set(EEVariables.ee_postfix).issubset(set(apt_packages)):
+                EEService.restart_service(self, 'postfix')
+            if set(EEVariables.ee_mysql).issubset(set(apt_packages)):
+                EEService.restart_service(self, 'hhvm')
+            if set(EEVariables.ee_mail).issubset(set(apt_packages)):
+                EEService.restart_service(self, 'dovecot')
+
         # PHP 5.6 to 5.6
         elif (self.app.pargs.php56):
             self.upgrade_php56()
diff --git a/install b/install
index ebb72806..f95c86f4 100644
--- a/install
+++ b/install
@@ -320,6 +320,14 @@ function ee_update_latest()
             echo -e "upstream hhvm {\n# HHVM Pool\nserver 127.0.0.1:8000;\nserver 127.0.0.1:9000 backup;\n}\n" >> /etc/nginx/conf.d/upstream.conf
         fi
     fi
+
+    # Fix white screen of death as SCRIPT_FILENAME is not defined into /etc/nginx/fastcgi_params
+    if [ -f /etc/nginx/fastcgi_params ]; then
+        grep -Hr SCRIPT_FILENAME /etc/nginx/fastcgi_params &>> /dev/null
+        if [ $? -ne 0 ]; then
+            echo -e "fastcgi_param \tSCRIPT_FILENAME \t\$request_filename;\n" >> /etc/nginx/fastcgi_params
+        fi
+    fi
 }
 
 # Do git intialisation