diff --git a/include/jsoncons_ext/jsonschema/json_validator.hpp b/include/jsoncons_ext/jsonschema/json_validator.hpp
index fa7928e3f8..8faa186062 100644
--- a/include/jsoncons_ext/jsonschema/json_validator.hpp
+++ b/include/jsoncons_ext/jsonschema/json_validator.hpp
@@ -27,7 +27,7 @@ namespace jsonschema {
     {
         void do_error(const validation_output& o) override
         {
-            JSONCONS_THROW(validation_error(o.message()));
+            JSONCONS_THROW(validation_error(o.instance_location() + ": " + o.message()));
         }
     };