diff --git a/lib/SimpleSAML/Utilities.php b/lib/SimpleSAML/Utilities.php
index d96f71a45def7e98e2b343c4f8fc943da259c1e2..4f3713fff3d04a777363f1864799dbc29d890033 100644
--- a/lib/SimpleSAML/Utilities.php
+++ b/lib/SimpleSAML/Utilities.php
@@ -110,7 +110,7 @@ class SimpleSAML_Utilities {
 	 * @deprecated This method will be removed in SSP 2.0. Please use SimpleSAML\Utils\HTTP::addURLParameters() instead.
 	 */
 	public static function addURLparameter($url, $parameters) {
-		return \SimpleSAML\Utils\HTTP::addURLParameter($url, $parameters);
+		return \SimpleSAML\Utils\HTTP::addURLParameters($url, $parameters);
 	}