diff --git a/src/Lexer.hs b/src/Lexer.hs
index e12324b..87f0ee0 100644
--- a/src/Lexer.hs
+++ b/src/Lexer.hs
@@ -152,7 +152,7 @@ delimitedSymmetric :: Parser a -> Token -> Token -> Parser [LocatedToken]
 delimitedSymmetric s t1 t2 = delimited s s t1 t2
 
 eol :: Parser ()
-eol = void "\n" <|> Parsec.eof
+eol = void "\n" <|> void "\r\n" <|> Parsec.eof
 
 header1 :: Lexer
 header1 = delimitedMaybe (void $ "= ") eol (Header One) Nothing
diff --git a/test/Spec.hs b/test/Spec.hs
index 0a7653d..fb9d8b2 100644
--- a/test/Spec.hs
+++ b/test/Spec.hs
@@ -107,11 +107,15 @@ maths = do
                       ]
 
 escaping :: Expectation
-escaping =
+escaping = do
     "\\("
         `shouldLexTo` [ (1, 1, Escape)
                       , (1, 2, Token "(")
                       ]
+    "\\(\r\n"
+        `shouldLexTo` [ (1, 1, Escape)
+                      , (1, 2, Token "(")
+                      ]
 
 unicode :: Expectation
 unicode =