diff --git a/src/errors.rs b/src/errors.rs
index 498c95d..8a9a694 100644
--- a/src/errors.rs
+++ b/src/errors.rs
@@ -6,7 +6,7 @@ use thiserror::Error;
 /// normally return `Error`, not `SubError`, which allows to return other
 /// kinds of errors from third-party libraries.
 #[derive(Debug, Error)]
-pub enum SubError {
+pub enum SubtileError {
     /// Error with `VobSub`
     #[error("Error with VobSub")]
     VobSub(#[from] crate::vobsub::VobSubError),
diff --git a/src/image/utils.rs b/src/image/utils.rs
index d8059cb..f78fc39 100644
--- a/src/image/utils.rs
+++ b/src/image/utils.rs
@@ -1,3 +1,4 @@
+use crate::SubtileError;
 use image::{EncodableLayout, Pixel, PixelWithColorType};
 use std::{
     fs::create_dir_all,
@@ -7,8 +8,6 @@ use std::{
 };
 use thiserror::Error;
 
-use crate::SubError;
-
 /// Handle Error for image dump.
 #[derive(Error, Debug)]
 pub enum DumpError {
@@ -33,7 +32,7 @@ pub enum DumpError {
 
 /// Dump some images in a folder specified by the path.
 #[profiling::function]
-pub fn dump_images<'a, Img, P, Container>(path: &str, images: Img) -> Result<(), SubError>
+pub fn dump_images<'a, Img, P, Container>(path: &str, images: Img) -> Result<(), SubtileError>
 where
     P: Pixel + PixelWithColorType + 'a,
     [P::Subpixel]: EncodableLayout,
diff --git a/src/lib.rs b/src/lib.rs
index 73d1b0c..3764223 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -28,4 +28,4 @@ pub mod time;
 mod util;
 pub mod vobsub;
 
-pub use errors::SubError;
+pub use errors::SubtileError;