diff --git a/actix-http/src/ws/codec.rs b/actix-http/src/ws/codec.rs
index 54d85085..8655216f 100644
--- a/actix-http/src/ws/codec.rs
+++ b/actix-http/src/ws/codec.rs
@@ -80,7 +80,7 @@ bitflags! {
 
 impl Codec {
     /// Create new WebSocket frames decoder.
-    pub fn new() -> Codec {
+    pub const fn new() -> Codec {
         Codec {
             max_size: 65_536,
             flags: Flags::SERVER,