thodg/got

diff --git a/lib/repository.c b/lib/repository.c
index 7eafcbd..3c6ad60 100644
--- a/lib/repository.c
+++ b/lib/repository.c
@@ -976,6 +976,8 @@ match_loose_object(struct got_object_id **unique_id, const char *path_objects,
 	}
 	while ((dent = readdir(dir)) != NULL) {
 		char *id_str;
+		int cmp;
+
 		if (strcmp(dent->d_name, ".") == 0 ||
 		    strcmp(dent->d_name, "..") == 0)
 			continue;
@@ -988,10 +990,13 @@ match_loose_object(struct got_object_id **unique_id, const char *path_objects,
 		if (!got_parse_sha1_digest(id.sha1, id_str))
 			continue;
 
-		if (strncmp(id_str_prefix, id_str,
-		    strlen(id_str_prefix)) != 0) {
+		cmp = strncmp(id_str, id_str_prefix, strlen(id_str_prefix));
+		if (cmp < 0) {
 			free(id_str);
 			continue;
+		} else if (cmp > 0) {
+			free(id_str);
+			break;
 		}
 
 		if (*unique_id == NULL) {