diff --git a/src/main.rs b/src/main.rs
index baf60e7..82bda6c 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -42,7 +42,7 @@ fn main() -> Result<(), DecodeError> {
     let mut writer = encoder.write_header().unwrap();
 
     let data: Vec<u8> = PixelIterExpander::try_new(decoder).unwrap().collect();
-    let result = writer.write_image_data(&data[0..(data.len()-32)]);
+    let result = writer.write_image_data(&data);
     if let Err(res) = result {
         eprintln!("{}", res);
     }