diff --git a/vlib/vweb/vweb.v b/vlib/vweb/vweb.v
index 4c38afe1c9..d3054ee09b 100644
--- a/vlib/vweb/vweb.v
+++ b/vlib/vweb/vweb.v
@@ -119,6 +119,7 @@ pub const (
 		'.ttf':    'font/ttf'
 		'.txt':    'text/plain'
 		'.vsd':    'application/vnd.visio'
+		'.wasm':   'application/wasm'
 		'.wav':    'audio/wav'
 		'.weba':   'audio/webm'
 		'.webm':   'video/webm'