diff --git a/src/add-ons/kernel/file_systems/fat/dir.c b/src/add-ons/kernel/file_systems/fat/dir.c
index 88b00ff2a1..fbec44172b 100644
--- a/src/add-ons/kernel/file_systems/fat/dir.c
+++ b/src/add-ons/kernel/file_systems/fat/dir.c
@@ -921,7 +921,7 @@ dosfs_read_vnode(fs_volume *_vol, ino_t vnid, fs_vnode *_node, int *_type,
 
 	_node->private_node = NULL;
 	_node->ops = &gFATVnodeOps;
-	_flags = 0;
+	*_flags = 0;
 
 	DPRINTF(0, ("dosfs_read_vnode (vnode id %Lx)\n", vnid));
 
diff --git a/src/add-ons/kernel/file_systems/fat/fat.c b/src/add-ons/kernel/file_systems/fat/fat.c
index 922652bde1..959ec1fe44 100644
--- a/src/add-ons/kernel/file_systems/fat/fat.c
+++ b/src/add-ons/kernel/file_systems/fat/fat.c
@@ -29,7 +29,6 @@ static status_t
 mirror_fats(nspace *vol, uint32 sector, uint8 *buffer)
 {
 	uint32 i;
-	char *buf = buffer;
 
 	if (!vol->fat_mirrored)
 		return B_OK;
@@ -43,8 +42,7 @@ mirror_fats(nspace *vol, uint32 sector, uint8 *buffer)
 
 		blockData = block_cache_get_writable_etc(vol->fBlockCache, sector
 			+ i * vol->sectors_per_fat, 0, 1, -1);
-		memcpy(blockData, buf, vol->bytes_per_sector);
-		buf += vol->bytes_per_sector;
+		memcpy(blockData, buffer, vol->bytes_per_sector);
 		block_cache_put(vol->fBlockCache, sector + i * vol->sectors_per_fat);
 	}