diff --git a/inc/lock.php b/inc/lock.php
index 4fb2f5df..23c0bce4 100644
--- a/inc/lock.php
+++ b/inc/lock.php
@@ -1,39 +1,43 @@
 <?php
 class Lock {
-  function __construct($key) { global $config;
-    if ($config['lock']['enabled'] == 'fs') {
-      $key = str_replace('/', '::', $key);
-      $key = str_replace("\0", '', $key);
+	function __construct($key) {
+		global $config;
+		if ($config['lock']['enabled'] == 'fs') {
+			$key = str_replace('/', '::', $key);
+			$key = str_replace("\0", '', $key);
 
-      $this->f = fopen("tmp/locks/$key", "w");
-    }
-  }
+			$this->f = fopen("tmp/locks/$key", "w");
+		}
+	}
 
-  // Get a shared lock
-  function get($nonblock = false) { global $config;
-    if ($config['lock']['enabled'] == 'fs') {
-      $wouldblock = false;
-      flock($this->f, LOCK_SH | ($nonblock ? LOCK_NB : 0), $wouldblock);
-      if ($nonblock && $wouldblock) return false;
-    }
-    return $this;
-  }
+	// Get a shared lock
+	function get($nonblock = false) {
+		global $config;
+		if ($config['lock']['enabled'] == 'fs') {
+			$wouldblock = false;
+			flock($this->f, LOCK_SH | ($nonblock ? LOCK_NB : 0), $wouldblock);
+			if ($nonblock && $wouldblock) return false;
+		}
+		return $this;
+	}
 
-  // Get an exclusive lock
-  function get_ex($nonblock = false) { global $config;
-    if ($config['lock']['enabled'] == 'fs') {
-      $wouldblock = false;
-      flock($this->f, LOCK_EX | ($nonblock ? LOCK_NB : 0), $wouldblock);
-      if ($nonblock && $wouldblock) return false;
-    }
-    return $this;
-  }
+	// Get an exclusive lock
+	function get_ex($nonblock = false) {
+		global $config;
+		if ($config['lock']['enabled'] == 'fs') {
+			$wouldblock = false;
+			flock($this->f, LOCK_EX | ($nonblock ? LOCK_NB : 0), $wouldblock);
+			if ($nonblock && $wouldblock) return false;
+		}
+		return $this;
+	}
 
-  // Free a lock
-  function free() { global $config;
-    if ($config['lock']['enabled'] == 'fs') {
-      flock($this->f, LOCK_UN);
-    }
-    return $this;
-  }
+	// Free a lock
+	function free() {
+		global $config;
+		if ($config['lock']['enabled'] == 'fs') {
+			flock($this->f, LOCK_UN);
+		}
+		return $this;
+	}
 }