From 45f2269cf3704aab87f50f96f59ad4f10d406e51 Mon Sep 17 00:00:00 2001
From: Vincent Vanwaelscappel <vincent@cubedesigners.com>
Date: Thu, 24 Aug 2023 11:32:38 +0200
Subject: [PATCH] wait #6167

---
 src/SVG/SVGTools.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/SVG/SVGTools.php b/src/SVG/SVGTools.php
index 43c18b6..f8ee032 100644
--- a/src/SVG/SVGTools.php
+++ b/src/SVG/SVGTools.php
@@ -69,7 +69,9 @@ class SVGTools
         if (!$svg) {
             $svg = file_get_contents($in);
         }
-        $svg = str_replace('<svg ', '<svg xmlns="http://www.w3.org/2000/svg" ', $svg);
+        if (!stristr($svg, 'xmlns="http://www.w3.org/2000/svg"')) {
+            $svg = str_replace('<svg ', '<svg xmlns="http://www.w3.org/2000/svg" ', $svg);
+        }
         $svg = self::_disablePreserveRatio($svg);
         file_put_contents($out, $svg);
         return $out;
-- 
2.39.5