diff --git a/lib/Cache.php b/lib/Cache.php
index a70c991c..6545a773 100644
--- a/lib/Cache.php
+++ b/lib/Cache.php
@@ -26,7 +26,7 @@
  * require_once __DIR__ . '/rssbridge.php';
  *
  * // Step 1: Set the working directory
- * Cache::setDir(__DIR__ . '/../caches/');
+ * Cache::setWorkingDir(__DIR__ . '/../caches/');
  *
  * // Step 2: Create a new instance of a cache object (based on the name)
  * $cache = Cache::create('FileCache');
@@ -38,7 +38,7 @@ class Cache {
 	 * Holds a path to the working directory.
 	 *
 	 * Do not access this property directly!
-	 * Use {@see Cache::setDir()} and {@see Cache::getDir()} instead.
+	 * Use {@see Cache::setWorkingDir()} and {@see Cache::getWorkingDir()} instead.
 	 *
 	 * @var string|null
 	 */
@@ -69,7 +69,7 @@ class Cache {
 			throw new \InvalidArgumentException('Cache name invalid!');
 		}
 
-		$filePath = self::getDir() . $name . '.php';
+		$filePath = self::getWorkingDir() . $name . '.php';
 
 		if(!file_exists($filePath)) {
 			throw new \Exception('Cache file ' . $filePath . ' does not exist!');
@@ -83,38 +83,38 @@ class Cache {
 	/**
 	 * Sets the working directory.
 	 *
-	 * @param string $workingDir Path to a directory containing cache classes
-	 * @throws \InvalidArgumentException if $workingDir is not a string.
+	 * @param string $dir Path to a directory containing cache classes
+	 * @throws \InvalidArgumentException if $dir is not a string.
 	 * @throws \Exception if the working directory doesn't exist.
-	 * @throws \InvalidArgumentException if $workingDir is not a directory.
+	 * @throws \InvalidArgumentException if $dir is not a directory.
 	 * @return void
 	 */
-	public static function setDir($workingDir){
+	public static function setWorkingDir($dir){
 		self::$workingDir = null;
 
-		if(!is_string($workingDir)) {
+		if(!is_string($dir)) {
 			throw new \InvalidArgumentException('Working directory is not a valid string!');
 		}
 
-		if(!file_exists($workingDir)) {
+		if(!file_exists($dir)) {
 			throw new \Exception('Working directory does not exist!');
 		}
 
-		if(!is_dir($workingDir)) {
+		if(!is_dir($dir)) {
 			throw new \InvalidArgumentException('Working directory is not a directory!');
 		}
 
-		self::$workingDir = realpath($workingDir) . '/';
+		self::$workingDir = realpath($dir) . '/';
 	}
 
 	/**
 	 * Returns the current working directory.
-	 * The working directory must be set with {@see Cache::setDir()}!
+	 * The working directory must be set with {@see Cache::setWorkingDir()}!
 	 *
 	 * @throws \LogicException if the working directory is not set.
 	 * @return string The current working directory.
 	 */
-	public static function getDir(){
+	public static function getWorkingDir(){
 		if(is_null(self::$workingDir)) {
 			throw new \LogicException('Working directory is not set!');
 		}
diff --git a/lib/rssbridge.php b/lib/rssbridge.php
index 07812f2c..16315eec 100644
--- a/lib/rssbridge.php
+++ b/lib/rssbridge.php
@@ -43,7 +43,7 @@ require_once PATH_LIB_VENDOR . 'php-urljoin/src/urljoin.php';
 try {
 	Bridge::setDir(PATH_LIB_BRIDGES);
 	Format::setDir(PATH_LIB_FORMATS);
-	Cache::setDir(PATH_LIB_CACHES);
+	Cache::setWorkingDir(PATH_LIB_CACHES);
 } catch(Exception $e) {
 	error_log($e);
 	header('Content-type: text/plain', true, 500);