diff --git a/static/icon.svg b/static/icon.svg
index 126bba6c..aeac1ebb 100644
--- a/static/icon.svg
+++ b/static/icon.svg
@@ -1,3 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
 <svg width="512" height="512" xmlns="http://www.w3.org/2000/svg">
   <mask id="inner">
     <rect x="0" y="0" width="100%" height="100%" fill="white"/>