1 files changed, 1 insertions, 1 deletions

diff --git a/util-linux/volume_id/iso9660.c b/util-linux/volume_id/iso9660.c
index 76fa546bf..1519de496 100644
--- a/util-linux/volume_id/iso9660.c
+++ b/util-linux/volume_id/iso9660.c
@@ -47,7 +47,7 @@ struct high_sierra_volume_descriptor {
         uint8_t         version;
 } PACKED;
 
-int volume_id_probe_iso9660(struct volume_id *id /*,uint64_t off*/)
+int FAST_FUNC volume_id_probe_iso9660(struct volume_id *id /*,uint64_t off*/)
 {
 #define off ((uint64_t)0)
         uint8_t *buf;