diff --git a/private/utils.rkt b/private/utils.rkt
index aa14542..28687e3 100644
--- a/private/utils.rkt
+++ b/private/utils.rkt
@@ -101,10 +101,10 @@
     )))
 
 (define (esc-quote str)
-  (string-replace str "'" "\\'"))
+  (string-replace (string-replace str "\\" "\\\\") "'" "\\'"))
 
 (define (esc-double-quote str)
-  (string-replace str "\"" "\\\""))
+  (string-replace (string-replace str "\\" "\\\\") "\"" "\\\""))
                
 (define (fromJson str)
   (with-input-from-string str read-json))