diff --git a/text-compression/src/lib.rs b/text-compression/src/lib.rs
index 337c6a6..338e234 100644
--- a/text-compression/src/lib.rs
+++ b/text-compression/src/lib.rs
@@ -598,7 +598,7 @@ mod tests {
         let mut reader = std::io::BufReader::new(&data[..]);
         let compressed_text = load_compressed_text(&mut reader).unwrap();
 
-        for (i, c) in "CDEFGHIKLM".chars().enumerate() {
+        for (i, c) in "BCDEFGHIKL".chars().enumerate() {
             assert_eq!(compressed_text.get(i), c as u8);
         }
     }