diff --git a/src/sci/impl/read.cljc b/src/sci/impl/read.cljc
index 054038ac..9e83c41d 100644
--- a/src/sci/impl/read.cljc
+++ b/src/sci/impl/read.cljc
@@ -58,10 +58,10 @@
 
 (defn read-string
   ([sci-ctx s]
-   (let [reader (r/indexing-push-back-reader (r/string-push-back-reader s))]
+   (let [reader (r/string-push-back-reader s)]
      (read sci-ctx reader)))
   ([sci-ctx opts s]
-   (let [reader (r/indexing-push-back-reader (r/string-push-back-reader s))]
+   (let [reader (r/string-push-back-reader s)]
      (read sci-ctx opts reader))))
 
 (defn load-string [sci-ctx s]
diff --git a/test/sci/core_test.cljc b/test/sci/core_test.cljc
index 245f075c..a77d7199 100644
--- a/test/sci/core_test.cljc
+++ b/test/sci/core_test.cljc
@@ -1217,7 +1217,8 @@
   (is (thrown-with-msg? #?(:clj Exception :cljs js/Error) #"loop.*allowed"
                         (tu/eval* "(eval (read-string \"(loop [] (recur))\"))" {:deny '[loop]})))
   (is (thrown-with-msg? #?(:clj Exception :cljs js/Error) #"loop.*allowed"
-                        (tu/eval* "(load-string \"(loop [] (recur))\")" {:deny '[loop]}))))
+                        (tu/eval* "(load-string \"(loop [] (recur))\")" {:deny '[loop]})))
+  (is (nil? (meta (tu/eval* "(read-string \"(+ 1 2 3)\")" nil)))))
 
 (deftest while-test
   (is (= 10 (eval* "(def a (atom 0)) (while (< @a 10) (swap! a inc)) @a"))))