diff --git a/fs/partitions/atari.h b/fs/partitions/atari.h
index 63186b0..fe2d32a 100644
--- a/fs/partitions/atari.h
+++ b/fs/partitions/atari.h
@@ -31,4 +31,4 @@
   u16 checksum;			/* checksum for bootable disks */
 } __attribute__((__packed__));
 
-int atari_partition(struct parsed_partitions *state, struct block_device *bdev);
+int atari_partition(struct parsed_partitions *state);