#11982: fix json.loads('""') to return u'' rather than ''.
diff --git a/Modules/_json.c b/Modules/_json.c
index 71d3e58..8d63edb 100644
--- a/Modules/_json.c
+++ b/Modules/_json.c
@@ -595,7 +595,7 @@
         Py_DECREF(chunk);
     }
 
-    rval = join_list_string(chunks);
+    rval = join_list_unicode(chunks);
     if (rval == NULL) {
         goto bail;
     }