diff --git a/system/functions.php b/system/functions.php
index 582f9c30..88c02102 100644
--- a/system/functions.php
+++ b/system/functions.php
@@ -1177,7 +1177,8 @@ function getTopPlayers($limit = 5, $skill = 'level') {
 	});
 }
 
-function deleteDirectory($dir, $ignore = array(), $contentOnly = false) {
+function deleteDirectory($dir, $ignore = array(), $contentOnly = false): bool
+{
 	if(!file_exists($dir)) {
 		return true;
 	}
@@ -1203,6 +1204,21 @@ function deleteDirectory($dir, $ignore = array(), $contentOnly = false) {
 	return rmdir($dir);
 }
 
+function ensureFolderExists($dir): void
+{
+	if (!file_exists($dir)) {
+		mkdir($dir, 0777, true);
+	}
+}
+
+function ensureIndexExists($dir): void
+{
+	$dir = rtrim($dir, '/');
+	if (!file_exists($file = $dir . '/index.html')) {
+		touch($file);
+	}
+}
+
 function config($key) {
 	global $config;
 	if (is_array($key)) {
diff --git a/system/init.php b/system/init.php
index 57c299ba..862b5370 100644
--- a/system/init.php
+++ b/system/init.php
@@ -18,6 +18,9 @@ use MyAAC\Settings;
 
 defined('MYAAC') or die('Direct access not allowed!');
 
+ensureIndexExists(CACHE);
+ensureIndexExists(CACHE . 'twig/');
+
 global $config;
 if(!isset($config['installed']) || !$config['installed']) {
 	throw new RuntimeException('MyAAC has not been installed yet or there was error during installation. Please install again.');
diff --git a/system/src/Cache/PHP.php b/system/src/Cache/PHP.php
index e42bd928..0b13db07 100644
--- a/system/src/Cache/PHP.php
+++ b/system/src/Cache/PHP.php
@@ -27,6 +27,9 @@ class PHP
 	{
 		$var = var_export($var, true);
 
+		ensureFolderExists($this->dir);
+		ensureIndexExists($this->dir);
+
 		// Write to temp file first to ensure atomicity
 		$tmp = $this->dir . "tmp_$key." . uniqid('', true) . '.tmp';
 		file_put_contents($tmp, '<?php $var = ' . $var . ';', LOCK_EX);
diff --git a/system/src/Plugins.php b/system/src/Plugins.php
index ac57d484..c6651679 100644
--- a/system/src/Plugins.php
+++ b/system/src/Plugins.php
@@ -513,6 +513,9 @@ class Plugins {
 			return false;
 		}
 
+		ensureFolderExists($cachePlugins = CACHE . 'plugins');
+		ensureIndexExists($cachePlugins);
+
 		self::$error = 'There was a problem with extracting zip archive.';
 		$file_name = $plugin_temp_dir . $json_file;
 		if(!file_exists($file_name)) {
diff --git a/tools/signature/index.php b/tools/signature/index.php
index f196781e..c791831b 100644
--- a/tools/signature/index.php
+++ b/tools/signature/index.php
@@ -53,6 +53,9 @@
 		exit;
 	}
 
+	ensureFolderExists(SIGNATURES_CACHE);
+	ensureIndexExists(SIGNATURES_CACHE);
+
 	$cached = SIGNATURES_CACHE.$player->getId() . '.png';
 	if(file_exists($cached) && (time() < (filemtime($cached) + (60 * setting('core.signature_cache_time')))))
 	{