diff --git a/README.md b/README.md
index 8a1bd96..7f7a8da 100644
--- a/README.md
+++ b/README.md
@@ -290,10 +290,10 @@ use Pecee\SimpleRouter\SimpleRouter;
  *
  * @param string|null $name
  * @param string|array|null $parameters
- * @param array $getParams
+ * @param array|null $getParams
  * @return string
  */
-function url($name = null, $parameters = null, array $getParams = array()) {
+function url($name = null, $parameters = null, $getParams = null) {
     SimpleRouter::getUrl($name, $parameters, $getParams);
 }
 
diff --git a/src/Pecee/SimpleRouter/Router.php b/src/Pecee/SimpleRouter/Router.php
index a5786e0..8b53d6d 100644
--- a/src/Pecee/SimpleRouter/Router.php
+++ b/src/Pecee/SimpleRouter/Router.php
@@ -384,14 +384,17 @@ class Router
 	 * @param array|null $getParams
 	 * @return string
 	 */
-	public function getUrl($name = null, $parameters = null, $getParams = [])
+	public function getUrl($name = null, $parameters = null, $getParams = null)
 	{
 		if ($getParams !== null && is_array($getParams) === false) {
 			throw new \InvalidArgumentException('Invalid type for getParams. Must be array or null');
 		}
 
-		if ($getParams === null) {
+		/* Only merge $_GET when all parameters are null */
+		if ($name === null && $parameters === null && $getParams === null) {
 			$getParams = $_GET;
+		} else {
+			$getParams = (array)$getParams;
 		}
 
 		/* Return current route if no options has been specified */
@@ -435,7 +438,8 @@ class Router
 		}
 
 		/* No result so we assume that someone is using a hardcoded url and join everything together. */
-		return '/' . trim(join('/', array_merge((array)$name, (array)$parameters)), '/') . $this->arrayToParams($getParams);
+		$url = trim(join('/', array_merge((array)$name, (array)$parameters)), '/');
+		return (($url === '') ? '/' : '/' . $url . '/') . $this->arrayToParams($getParams);
 	}
 
 	/**
diff --git a/src/Pecee/SimpleRouter/SimpleRouter.php b/src/Pecee/SimpleRouter/SimpleRouter.php
index e6b9fb6..cb9503e 100644
--- a/src/Pecee/SimpleRouter/SimpleRouter.php
+++ b/src/Pecee/SimpleRouter/SimpleRouter.php
@@ -311,7 +311,7 @@ class SimpleRouter
 	 * @param array|null $getParams
 	 * @return string
 	 */
-	public static function getUrl($name = null, $parameters = null, $getParams = [])
+	public static function getUrl($name = null, $parameters = null, $getParams = null)
 	{
 		return static::router()->getUrl($name, $parameters, $getParams);
 	}