Index: uspace/srv/fs/fat/fat_fat.c
===================================================================
--- uspace/srv/fs/fat/fat_fat.c	(revision 10092c9abb5821b70ff5d52e4169b412bd47cff0)
+++ uspace/srv/fs/fat/fat_fat.c	(revision 67cda763b97ac035936a3bda2c1651d85957e1c4)
@@ -748,5 +748,6 @@
 {
 	unsigned fatno;
-	fat_cluster_t nextc, clst_bad = FAT_CLST_BAD(bs);
+	fat_cluster_t nextc = 0;
+	fat_cluster_t clst_bad = FAT_CLST_BAD(bs);
 	int rc;