diff --git a/object.c b/object.c
index 10d167825e..477e686da7 100644
--- a/object.c
+++ b/object.c
@@ -49,7 +49,7 @@ int type_from_string_gently(const char *str, ssize_t len, int gentle)
 	if (gentle)
 		return -1;
 
-	die("invalid object type \"%s\"", str);
+	die(_("invalid object type \"%s\""), str);
 }
 
 /*
@@ -169,7 +169,7 @@ void *object_as_type(struct object *obj, enum object_type type, int quiet)
 	}
 	else {
 		if (!quiet)
-			error("object %s is a %s, not a %s",
+			error(_("object %s is a %s, not a %s"),
 			      oid_to_hex(&obj->oid),
 			      type_name(obj->type), type_name(type));
 		return NULL;
@@ -229,7 +229,7 @@ struct object *parse_object_buffer(const struct object_id *oid, enum object_type
 			obj = &tag->object;
 		}
 	} else {
-		warning("object %s has unknown type id %d", oid_to_hex(oid), type);
+		warning(_("object %s has unknown type id %d"), oid_to_hex(oid), type);
 		obj = NULL;
 	}
 	return obj;
@@ -262,7 +262,7 @@ struct object *parse_object(const struct object_id *oid)
 	    (!obj && has_object_file(oid) &&
 	     oid_object_info(the_repository, oid, NULL) == OBJ_BLOB)) {
 		if (check_object_signature(repl, NULL, 0, NULL) < 0) {
-			error("sha1 mismatch %s", oid_to_hex(oid));
+			error(_("sha1 mismatch %s"), oid_to_hex(oid));
 			return NULL;
 		}
 		parse_blob_buffer(lookup_blob(oid), NULL, 0);
@@ -273,7 +273,7 @@ struct object *parse_object(const struct object_id *oid)
 	if (buffer) {
 		if (check_object_signature(repl, buffer, size, type_name(type)) < 0) {
 			free(buffer);
-			error("sha1 mismatch %s", oid_to_hex(repl));
+			error(_("sha1 mismatch %s"), oid_to_hex(repl));
 			return NULL;
 		}
 
diff --git a/t/t1450-fsck.sh b/t/t1450-fsck.sh
index 91fd71444d..7b7602ddb4 100755
--- a/t/t1450-fsck.sh
+++ b/t/t1450-fsck.sh
@@ -372,7 +372,7 @@ test_expect_success 'rev-list --verify-objects with bad sha1' '
 
 	test_might_fail git rev-list --verify-objects refs/heads/bogus >/dev/null 2>out &&
 	cat out &&
-	grep -q "error: sha1 mismatch 63ffffffffffffffffffffffffffffffffffffff" out
+	test_i18ngrep -q "error: sha1 mismatch 63ffffffffffffffffffffffffffffffffffffff" out
 '
 
 test_expect_success 'force fsck to ignore double author' '