diff --git a/app/system/root.php b/app/system/root.php
index 7b882438ea..321ba2ea9b 100644
--- a/app/system/root.php
+++ b/app/system/root.php
@@ -22,29 +22,45 @@
 
 	Contributor(s):
 	Mark J Crane <markjcrane@fusionpbx.com>
+	Matthew Vale <github@mafoo.org>
 */
 
 // make sure the PATH_SEPARATOR is defined
 	if (!defined("PATH_SEPARATOR")) {
-		if ( strpos( $_ENV[ "OS" ], "Win" ) !== false ) { define("PATH_SEPARATOR", ";"); } else { define("PATH_SEPARATOR", ":"); }
+		if (strpos($_ENV["OS"], "Win") !== false) {
+			define("PATH_SEPARATOR", ";");
+		} else {
+			define("PATH_SEPARATOR", ":");
+		}
 	}
 
 // make sure the document_root is set
 	$_SERVER["SCRIPT_FILENAME"] = str_replace("\\", "/", $_SERVER["SCRIPT_FILENAME"]);
-	$_SERVER["DOCUMENT_ROOT"] = str_replace($_SERVER["PHP_SELF"], "", $_SERVER["SCRIPT_FILENAME"]);
-	$_SERVER["DOCUMENT_ROOT"] = realpath($_SERVER["DOCUMENT_ROOT"]);
-	//echo "DOCUMENT_ROOT: ".$_SERVER["DOCUMENT_ROOT"]."<br />\n";
-	//echo "PHP_SELF: ".$_SERVER["PHP_SELF"]."<br />\n";
-	//echo "SCRIPT_FILENAME: ".$_SERVER["SCRIPT_FILENAME"]."<br />\n";
+	$_SERVER["DOCUMENT_ROOT"]   = str_replace($_SERVER["PHP_SELF"], "", $_SERVER["SCRIPT_FILENAME"]);
+	$_SERVER["DOCUMENT_ROOT"]   = realpath($_SERVER["DOCUMENT_ROOT"]);
 
-// if the project directory exists then add it to the include path otherwise add the document root to the include path
-	if (is_dir($_SERVER["DOCUMENT_ROOT"].'/fusionpbx')){
-		if(!defined('PROJECT_PATH')) { define('PROJECT_PATH', '/fusionpbx'); }
-		set_include_path( get_include_path() . PATH_SEPARATOR . $_SERVER["DOCUMENT_ROOT"].'/fusionpbx' );
-	}
-	else {
-		if(!defined('PROJECT_PATH')) { define('PROJECT_PATH', ''); }
-		set_include_path( get_include_path() . PATH_SEPARATOR . $_SERVER['DOCUMENT_ROOT'] );
+// try to detect if a project path is being used
+	if (!defined('PROJECT_PATH')) {
+		if (is_dir($_SERVER["DOCUMENT_ROOT"] . DIRECTORY_SEPARATOR . 'fusionpbx')) {
+			define('PROJECT_PATH', DIRECTORY_SEPARATOR . 'fusionpbx');
+		} elseif (file_exists($_SERVER["DOCUMENT_ROOT"] . DIRECTORY_SEPARATOR . 'README.md')) {
+			define('PROJECT_PATH', '');
+		} else {
+			$dirs = explode('/', str_replace('\\', '/', pathinfo($_SERVER["PHP_SELF"], PATHINFO_DIRNAME)));
+			$i    = 1;
+			$path = $_SERVER["DOCUMENT_ROOT"];
+			while ($i < count($dirs)) {
+				$path .= DIRECTORY_SEPARATOR . $dirs[$i];
+				if (file_exists($path . DIRECTORY_SEPARATOR . 'README.md')) {
+					break;
+				}
+				$i++;
+			}
+			$project_path = str_replace($_SERVER["DOCUMENT_ROOT"], "", $path);
+			define('PROJECT_PATH', $project_path);
+		}
+		$_SERVER["PROJECT_ROOT"] = realpath($_SERVER["DOCUMENT_ROOT"] . PROJECT_PATH);
+		set_include_path(get_include_path() . PATH_SEPARATOR . $_SERVER["PROJECT_ROOT"]);
 	}
 
 ?>
\ No newline at end of file