diff --git a/extras/volume_id/lib/linux_swap.c b/extras/volume_id/lib/linux_swap.c
index 1698e9dbf73..53649bdb750 100644
--- a/extras/volume_id/lib/linux_swap.c
+++ b/extras/volume_id/lib/linux_swap.c
@@ -57,6 +57,7 @@ int volume_id_probe_linux_swap(struct volume_id *id, uint64_t off, uint64_t size
 				return -1;
 
 			if (memcmp(buf, "SWAP-SPACE", 10) == 0) {
+				id->type = "swap";
 				strcpy(id->type_version, "1");
 				goto found;
 			}