1 files changed, 1 insertions, 0 deletions

diff --git a/firmware/export/fat.h b/firmware/export/fat.h
index dbc0ab20cc..db8737cfd3 100644
--- a/firmware/export/fat.h
+++ b/firmware/export/fat.h
@@ -94,5 +94,6 @@ extern int fat_rename(struct fat_file* file,
 
 extern int fat_opendir(struct fat_dir *ent, unsigned int currdir);
 extern int fat_getnext(struct fat_dir *ent, struct fat_direntry *entry);
+extern int fat_get_cluster_size(void);
 
 #endif