diff --git a/src/lib_json/json_valueiterator.inl b/src/lib_json/json_valueiterator.inl
index 8da3bf7..9c8e445 100644
--- a/src/lib_json/json_valueiterator.inl
+++ b/src/lib_json/json_valueiterator.inl
@@ -11,6 +11,11 @@
 // //////////////////////////////////////////////////////////////////
 
 ValueIteratorBase::ValueIteratorBase()
+#ifndef JSON_VALUE_USE_INTERNAL_MAP
+   : current_( 0 )
+#else
+# error fix me // Need to handle uninitialized iterator comparison for experimental maps
+#endif
 {
 }