diff --git a/lib/util.php b/lib/util.php
index 5f796e7565f42e3411a6b4a2c64cf236538ccf8f..7e183041d5435430c91a6f59dfe4db9254378b89 100755
--- a/lib/util.php
+++ b/lib/util.php
@@ -528,6 +528,10 @@ class OC_Util {
 	 *
 	 */
 	public static function isWebDAVWorking() {
+        if (!function_exists('curl_init')) {
+            return;
+        }
+
 		$settings = array(
 			'baseUri' => OC_Helper::linkToRemote('webdav'),
 		);