diff --git a/ajax/system/sys_perform_update.php b/ajax/system/sys_perform_update.php
index a33984bc..5008bbd1 100644
--- a/ajax/system/sys_perform_update.php
+++ b/ajax/system/sys_perform_update.php
@@ -8,8 +8,8 @@ if (isset($_POST['csrf_token'])) {
     }
     // set installer path + options
     $path = getenv("DOCUMENT_ROOT");
-    $opts = " --update --path $path --yes";
-    $installer = "sudo /etc/raspap/system/app-update.sh";
+    $opts = " --update --yes --path $path";
+    $installer = "sudo /etc/raspap/system/raspbian.sh";
     $execUpdate = $installer.$opts;
 
     $response = shell_exec($execUpdate);
diff --git a/ajax/system/sys_read_logfile.php b/ajax/system/sys_read_logfile.php
index 7715fab2..567de9e1 100644
--- a/ajax/system/sys_read_logfile.php
+++ b/ajax/system/sys_read_logfile.php
@@ -9,7 +9,7 @@ $searchStrings = [
     'Installation completed' => 6,
     'error' => 7
 ];
-sleep(1);
+usleep(500);
 
 if (file_exists($logFile)) {
     $handle = fopen($logFile, 'r');
@@ -40,4 +40,3 @@ if (file_exists($logFile)) {
     echo json_encode("File does not exist: $logFile");
 }
 
-
diff --git a/installers/app-update.sh b/installers/app-update.sh
deleted file mode 100755
index 183bbacf..00000000
--- a/installers/app-update.sh
+++ /dev/null
@@ -1,90 +0,0 @@
-#!/bin/bash
-#
-# RaspAP Application Update
-# Safely updates an existing RaspAP installation
-# Author: @billz <billzimmerman@gmail.com>
-# Author URI: https://github.com/billz
-# Project URI: https://github.com/RaspAP/
-# License: GNU General Public License v3.0
-# License URI: https://github.com/RaspAP/raspap-webgui/blob/master/LICENSE
-#
-# Reads arguments passed by the RaspAP application and securely executes the 
-# local raspbian.sh install loader.
-
-# Exit on error
-set -o errexit
-# Exit on error inside functions
-set -o errtrace
-# Exit on pipeline error
-set -eo pipefail
-
-function _main() {
-    # set defaults
-    _parse_params "$@"
-    _load_installer
-}
-
-function _parse_params() {
-    # set defaults
-    insiders=0
-    acctoken=""
-    username=""
-    path=""
-
-    while :; do
-        case "${1-}" in
-            -i|--insiders)
-            insiders=1
-            ;;
-            -t|--token)
-            acctoken="$2"
-            shift
-            ;;
-            -n|--name)
-            username="$2"
-            shift
-            ;;
-            -p|--path)
-            path="$2"
-            shift
-            ;;
-            -*|--*)
-            echo "Unknown option: $1"
-            exit 1
-            ;;
-            *)
-            break
-            ;;
-        esac
-        shift
-    done
-}
-
-function _load_installer() {
-    args=()
-    if [ "$insiders" -eq 1 ]; then
-        args+=("--insiders")
-    fi
-    if [ -n "$path" ]; then
-        args+=("--path ${path}")
-    fi
-    if [ -n "$username" ]; then
-        args+=("--name ${username}")
-    fi
-    if [ -n "$acctoken" ]; then
-        args+=("--token ${acctoken}")
-    fi
-    filtered=()
-    for arg in "${args[@]}"; do
-        if [ -n "$arg" ]; then
-            filtered+=("$arg")
-        fi
-    done
-
-    echo "Loading installer..."
-    echo "${path}/installers/raspbian.sh --update --yes ${filtered[*]}"
-    $path/installers/raspbian.sh --update --yes ${filtered[*]} || { echo "Failed to execute raspbian.sh - last error: $?"; }
-}
-
-_main "$@"
-
diff --git a/installers/common.sh b/installers/common.sh
index 825ff757..02b6d201 100755
--- a/installers/common.sh
+++ b/installers/common.sh
@@ -781,11 +781,11 @@ function _patch_system_files() {
         sudo mkdir $raspap_dir/system || _install_status 1 "Unable to create directory '$raspap_dir/system'"
     fi
 
-    _install_log "Creating RaspAP debug log control script"
+    _install_log "Copying RaspAP debug log control script"
     sudo cp "$webroot_dir/installers/"debuglog.sh "$raspap_dir/system" || _install_status 1 "Unable to move debug logging script"
 
-    _install_log "Creating RaspAP application update script"
-    sudo cp "$webroot_dir/installers/"app-update.sh "$raspap_dir/system" || _install_status 1 "Unable to move application update script"
+    _install_log "Copying RaspAP install loader"
+    sudo cp "$webroot_dir/installers/"raspbian.sh "$raspap_dir/system" || _install_status 1 "Unable to move application update script"
 
     # Set ownership and permissions
     sudo chown -c root:root "$raspap_dir/system/"*.sh || _install_status 1 "Unable change owner and/or group"
diff --git a/installers/raspap.sudoers b/installers/raspap.sudoers
index e49e20a1..8d3d817c 100644
--- a/installers/raspap.sudoers
+++ b/installers/raspap.sudoers
@@ -42,7 +42,7 @@ www-data ALL=(ALL) NOPASSWD:/etc/raspap/lighttpd/configport.sh
 www-data ALL=(ALL) NOPASSWD:/etc/raspap/openvpn/configauth.sh
 www-data ALL=(ALL) NOPASSWD:/etc/raspap/openvpn/openvpnlog.sh
 www-data ALL=(ALL) NOPASSWD:/etc/raspap/system/debuglog.sh
-www-data ALL=(ALL) NOPASSWD:/etc/raspap/system/app-update.sh
+www-data ALL=(ALL) NOPASSWD:/etc/raspap/system/raspbian.sh
 www-data ALL=(ALL) NOPASSWD:/bin/chmod o+r /tmp/hostapd.log
 www-data ALL=(ALL) NOPASSWD:/bin/chmod o+r /var/log/dnsmasq.log
 www-data ALL=(ALL) NOPASSWD:/bin/chmod o+r /tmp/wireguard.log