diff --git a/lib/landline/extensions/websocket.rb b/lib/landline/extensions/websocket.rb
index 4d035bf..1082328 100644
--- a/lib/landline/extensions/websocket.rb
+++ b/lib/landline/extensions/websocket.rb
@@ -91,6 +91,7 @@ module Landline
         )
         @io.write(frame.to_s)
       rescue Errno::EPIPE => e
+        @writable = false
         _emit :error, e
         close
         nil