diff --git a/lib/puma/client.rb b/lib/puma/client.rb
index 5960f18292..0f6ab7e9a2 100644
--- a/lib/puma/client.rb
+++ b/lib/puma/client.rb
@@ -122,9 +122,9 @@ def inspect
       "#<Puma::Client:0x#{object_id.to_s(16)} @ready=#{@ready.inspect}>"
     end
 
-    # For the hijack protocol (allows us to just put the Client object
-    # into the env)
-    def call
+    # For the full hijack protocol, `env['rack.hijack']` is set to
+    # `client.method :full_hijack`
+    def full_hijack
       @hijacked = true
       env[HIJACK_IO] ||= @io
     end
diff --git a/lib/puma/request.rb b/lib/puma/request.rb
index 581ef43b2a..469d6d237e 100644
--- a/lib/puma/request.rb
+++ b/lib/puma/request.rb
@@ -53,7 +53,6 @@ def handle_request(client, requests)
       socket  = client.io   # io may be a MiniSSL::Socket
       app_body = nil
 
-
       return false if closed_socket?(socket)
 
       if client.http_content_length_limit_exceeded
@@ -69,7 +68,7 @@ def handle_request(client, requests)
       end
 
       env[HIJACK_P] = true
-      env[HIJACK] = client
+      env[HIJACK] = client.method :full_hijack
 
       env[RACK_INPUT] = client.body
       env[RACK_URL_SCHEME] ||= default_server_port(env) == PORT_443 ? HTTPS : HTTP