diff --git a/include/tcpdf_static.php b/include/tcpdf_static.php
index 7d2c1f5..c087f39 100644
--- a/include/tcpdf_static.php
+++ b/include/tcpdf_static.php
@@ -1,9 +1,9 @@
 <?php
 //============================================================+
 // File name   : tcpdf_static.php
-// Version     : 1.1.3
+// Version     : 1.1.4
 // Begin       : 2002-08-03
-// Last Update : 2015-04-28
+// Last Update : 2019-11-01
 // Author      : Nicola Asuni - Tecnick.com LTD - www.tecnick.com - info@tecnick.com
 // License     : GNU-LGPL v3 (http://www.gnu.org/copyleft/lesser.html)
 // -------------------------------------------------------------------
@@ -1829,6 +1829,8 @@ class TCPDF_STATIC {
 	 */
 	public static function url_exists($url) {
 		$crs = curl_init();
+		// encode query params in URL to get right response form the server
+		$url = self::encodeUrlQuery($url);
 		curl_setopt($crs, CURLOPT_URL, $url);
 		curl_setopt($crs, CURLOPT_NOBODY, true);
 		curl_setopt($crs, CURLOPT_FAILONERROR, true);
@@ -1846,6 +1848,26 @@ class TCPDF_STATIC {
 		return ($code == 200);
 	}
 
+	/**
+	 * Encode query params in URL
+	 *
+	 * @param string $url
+	 * @return string
+	 * @since 6.3.3 (2019-11-01)
+	 * @public static
+	 */
+	public static function encodeUrlQuery($url) {
+		$urlData = parse_url($url);
+		if (isset($urlData['query']) && $urlData['query']) {
+			$urlQueryData = [];
+			parse_str(urldecode($urlData['query']), $urlQueryData);
+			$updatedUrl = $urlData['scheme'] . '://' . $urlData['host'] . $urlData['path'] . '?' . http_build_query($urlQueryData);
+		} else {
+			$updatedUrl = $url;
+		}
+		return $updatedUrl;
+	}
+
 	/**
 	 * Wrapper for file_exists.
 	 * Checks whether a file or directory exists.