diff --git a/hy/lex/states.py b/hy/lex/states.py
index 6966a39..72caba6 100644
--- a/hy/lex/states.py
+++ b/hy/lex/states.py
@@ -236,6 +236,9 @@ class String(State):
             if char == "\\":
                 self.nodes.append("\\")
                 return
+            if char == "\"":
+                self.nodes.append("\"")
+                return
 
             raise LexException("Unknown modifier: `%s'" % (char))