diff --git a/flap/src/hopix/hopixLexer.mll b/flap/src/hopix/hopixLexer.mll
index 3ecb07c..b5aa893 100644
--- a/flap/src/hopix/hopixLexer.mll
+++ b/flap/src/hopix/hopixLexer.mll
@@ -25,9 +25,11 @@
   let taille = String.length charac in
     match charac with
     | "\\n" -> Some '\n'
+    | "\\b" -> Some '\b'
     | "\\r" -> Some '\r'
     | "\\t" -> Some '\t'
-    | "\\\'" -> Some '\''
+    | "\\'" -> Some '\''
+    | "\\\"" -> Some '"'
     | "\\\\" -> Some '\\'
     | _ -> (
     let s2 = String.get charac 1 in
@@ -55,7 +57,7 @@ let octa = "0o" ['0'-'7']
 let ascii_table = ['\000'-'\255']
 let ascii_hex = "\\0x" hex_dig hex_dig
 let printable = ['\032'-'\038' '\040'-'\127']
-let escapes = "\\\\" | "\\'" | "\\n" | "\\t" | "\\b" | "\\r"
+let escapes = "\\n" | "\\b" | "\\r" | "\\t" | "\\'" | "\\\"" | "\\\\"
 let atom = ascii_table | ascii_hex | printable | escapes
 
 (* On ne peut pas différencier au niveau du lexer var_id label_id et type_con,
@@ -184,6 +186,7 @@ and read_string buffer = parse
   | "\\n"  { Buffer.add_char buffer '\n'; read_string buffer lexbuf }
   | "\\b"  { Buffer.add_char buffer '\b'; read_string buffer lexbuf }
   | "\\r"  { Buffer.add_char buffer '\r'; read_string buffer lexbuf }
+  | "\\t"  { Buffer.add_char buffer '\r'; read_string buffer lexbuf }
   | "\\'"  { Buffer.add_char buffer '\''; read_string buffer lexbuf }
   | "\\\"" { Buffer.add_char buffer '"'; read_string buffer lexbuf  }
   | "\\\\" { Buffer.add_char buffer '\\'; read_string buffer lexbuf }