1 files changed, 2 insertions, 1 deletions
diff --git a/setup.c b/setup.c
index af3b8c09ab..04ce33cdcd 100644
--- a/setup.c
+++ b/setup.c
@@ -559,7 +559,8 @@ static enum extension_result handle_extension(const char *var,
 			return config_error_nonbool(var);
 		format = hash_algo_by_name(value);
 		if (format == GIT_HASH_UNKNOWN)
-			return error("invalid value for 'extensions.objectformat'");
+			return error(_("invalid value for '%s': '%s'"),
+				     "extensions.objectformat", value);
 		data->hash_algo = format;
 		return EXTENSION_OK;
 	}