diff --git a/tarantool/response.py b/tarantool/response.py
index 0da4afb6..5a648428 100644
--- a/tarantool/response.py
+++ b/tarantool/response.py
@@ -229,7 +229,7 @@ def __str__(self):
             }, sort_keys = True, indent = 4)
         output = []
         for tpl in self._data:
-            output.extend(("- ", json.dumps(tpl), "\n"))
+            output.extend(("- ", repr(tpl), "\n"))
         if len(output) > 0:
             output.pop()
         return ''.join(output)
diff --git a/tests/suites/test_dml.py b/tests/suites/test_dml.py
index 6d690987..1e4df59f 100644
--- a/tests/suites/test_dml.py
+++ b/tests/suites/test_dml.py
@@ -60,7 +60,7 @@ def test_00_02_fill_space(self):
                     [i, i%5, 'tuple_'+str(i)]
             )
     def test_00_03_answer_repr(self):
-        repr_str = """- [1, 1, "tuple_1"]"""
+        repr_str = """- [1, 1, 'tuple_1']"""
         self.assertEqual(repr(self.con.select('space_1', 1)), repr_str)
 
     def test_02_select(self):