diff --git a/src/main.rs b/src/main.rs
index 23c4de5..08e2da4 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,5 +1,5 @@
-use std::fmt;
 use std::collections::HashMap;
+use std::fmt;
 
 const IMAGE_DIMENSION_SD: usize = 8;
 const IMAGE_DIMENSION_HD: usize = 16;
@@ -190,7 +190,7 @@ fn test_image_from_string() {
 }
 
 fn image_to_string(image: Image) -> String {
-    image_to_string_opts(image, true)
+    image_to_string_opts(image, false)
 }
 
 fn image_to_string_opts(image: Image, hd: bool) -> String {
@@ -199,7 +199,7 @@ fn image_to_string_opts(image: Image, hd: bool) -> String {
 
     for line in image.pixels.chunks(chunk_size) {
         for pixel in line {
-            string.push(*pixel as char);
+            string.push_str(&format!("{}", *pixel));
         }
         string.push('\n');
     }