diff --git a/help.c b/help.c
index 21b778707a..bd0be2ee57 100644
--- a/help.c
+++ b/help.c
@@ -810,6 +810,7 @@ void get_version_info(struct strbuf *buf, int show_build_options)
 			    SHA1_UNSAFE_BACKEND);
 #endif
 		strbuf_addf(buf, "SHA-256: %s\n", SHA256_BACKEND);
+		strbuf_addf(buf, "default-hash: %s\n", hash_algos[GIT_HASH_DEFAULT].name);
 	}
 }