diff --git a/docs/README.md b/docs/README.md
index c6b13e1b..134cafec 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -771,7 +771,7 @@ struct mg_http_message {
 
 Structure represents the HTTP message.
 
-<img src="images/mg_http_message.png">
+<img src="images/mg_http_message.svg">
 
 ### mg\_http\_listen()