Index: uspace/srv/fs/fat/fat_ops.c
===================================================================
--- uspace/srv/fs/fat/fat_ops.c	(revision 0c243b47a3b83c55eb04286f7246f90cbe615ad8)
+++ uspace/srv/fs/fat/fat_ops.c	(revision 9df7918483645ddc44d4c0b9bfbdd5a9ce6fa711)
@@ -462,4 +462,12 @@
 	}
 
+	/* Initialize the block cache */
+	rc = block_cache_init(dev_handle, bps, 0 /* XXX */);
+	if (rc != EOK) {
+		block_fini(dev_handle);
+		ipc_answer_0(rid, rc);
+		return;
+	}
+
 	rc = fat_idx_init_by_dev_handle(dev_handle);
 	if (rc != EOK) {