--- a/examples/common.rs
+++ b/examples/common.rs
@@ -4,15 +4,15 @@ use luminance::texture::{Dim2, Flat, Sam
 use luminance_glfw::GlfwSurface;
 use touhou::th06::anm0::Anm0;
 use std::fs::File;
-use std::io::{BufReader, Read};
+use std::io::{self, BufReader, Read};
 use std::path::Path;
 
-pub fn load_file_into_vec<P: AsRef<Path>>(filename: P) -> Vec<u8> {
-    let file = File::open(filename).unwrap();
+pub fn load_file_into_vec<P: AsRef<Path>>(filename: P) -> io::Result<Vec<u8>> {
+    let file = File::open(filename)?;
     let mut file = BufReader::new(file);
     let mut buf = vec![];
-    file.read_to_end(&mut buf).unwrap();
-    buf
+    file.read_to_end(&mut buf)?;
+    Ok(buf)
 }
 
 pub enum LoadedTexture {