diff --git a/flap/src/hopix/hopixLexer.mll b/flap/src/hopix/hopixLexer.mll
index 5e6312e..106b918 100644
--- a/flap/src/hopix/hopixLexer.mll
+++ b/flap/src/hopix/hopixLexer.mll
@@ -34,6 +34,8 @@ rule token = parse
   | newline         { next_line_and token lexbuf }
   | blank+          { token lexbuf               }
   | eof             { EOF                        }
+  | "{*"            { commentary lexbuf; token lexbuf }
+  | "##"            {commentary_line lexbuf}
 
   (** Keywords *)
   | "let"           { LET                        }
@@ -47,3 +49,12 @@ rule token = parse
 
   (** Lexing error *)
   | _               { error lexbuf "unexpected character." }
+
+  and commentary = parse 
+  | "*}"            { () }
+  | "{*"            { commentary lexbuf; commentary lexbuf }
+  | _               { commentary lexbuf }
+
+  and commentary_line = parse 
+  | '\n'            { next_line_and token lexbuf }
+  | _               { commentary_line lexbuf }