diff --git a/src/syn/lexer.rs b/src/syn/lexer.rs
index 8706e97..6cd95ce 100644
--- a/src/syn/lexer.rs
+++ b/src/syn/lexer.rs
@@ -59,7 +59,7 @@ impl<'t> Lexer<'t> {
             |(?P<hex_num>0[xX][0-9a-fA-F]+)
             |(?P<dec_num>[0-9]+)
             |(?P<dq_str>"([^\\"]|\\[ntr0"'])*")
-            |(?P<sq_str>'([^\\"]|\\[ntr0"'])*')
+            |(?P<sq_str>'([^\\']|\\[ntr0"'])*')
 
             |(?P<arrow>->)
             |(?P<eqeq>==)