diff --git a/flags/1x1/ch.svg b/flags/1x1/ch.svg
index 123e0677..3db7ced6 100644
--- a/flags/1x1/ch.svg
+++ b/flags/1x1/ch.svg
@@ -1,6 +1,6 @@
 <svg xmlns="http://www.w3.org/2000/svg" id="flag-icons-ch" viewBox="0 0 512 512">
   <g fill-rule="evenodd" stroke-width="1pt">
-    <path fill="#d52b1e" d="M0 0h512v512H0z"/>
+    <path fill="#f00" d="M0 0h512v512H0z"/>
     <g fill="#fff">
       <path d="M96 208h320v96H96z"/>
       <path d="M208 96h96v320h-96z"/>
diff --git a/flags/4x3/ch.svg b/flags/4x3/ch.svg
index 9abeff4f..a8994d43 100644
--- a/flags/4x3/ch.svg
+++ b/flags/4x3/ch.svg
@@ -1,6 +1,6 @@
 <svg xmlns="http://www.w3.org/2000/svg" id="flag-icons-ch" viewBox="0 0 640 480">
   <g fill-rule="evenodd" stroke-width="1pt">
-    <path fill="#d52b1e" d="M0 0h640v480H0z"/>
+    <path fill="#f00" d="M0 0h640v480H0z"/>
     <g fill="#fff">
       <path d="M170 195h300v90H170z"/>
       <path d="M275 90h90v300h-90z"/>