diff --git a/cryptfs.h b/cryptfs.h
index fbcec4e..11d9bb7 100644
--- a/cryptfs.h
+++ b/cryptfs.h
@@ -252,6 +252,7 @@
                              unsigned char* master_key);
   int cryptfs_set_password(struct crypt_mnt_ftr* ftr, const char* password,
                            const unsigned char* master_key);
+  const char* cryptfs_get_file_encryption_mode();
 
 #ifdef __cplusplus
 }