diff --git a/lib/puma/minissl.rb b/lib/puma/minissl.rb
index 911c028e..c36791cd 100644
--- a/lib/puma/minissl.rb
+++ b/lib/puma/minissl.rb
@@ -52,7 +52,7 @@ module Puma::MiniSSL
         enc = @engine.extract
 
         if enc
-          @socket.write enc
+          @socket.syswrite enc
         end
 
         need -= wrote
@@ -63,6 +63,8 @@ module Puma::MiniSSL
       end
     end
 
+    alias_method :syswrite, :write
+
     def flush
       @socket.flush
     end
@@ -108,6 +110,13 @@ module Puma::MiniSSL
       Socket.new io, engine
     end
 
+    def accept_nonblock
+      io = @socket.accept_nonblock
+      engine = Engine.server @ctx.key, @ctx.cert
+
+      Socket.new io, engine
+    end
+
     def close
       @socket.close
     end