diff --git a/crates/ruff_linter/src/message/text.rs b/crates/ruff_linter/src/message/text.rs
index 9784a5e269b58..24e0787aa35ba 100644
--- a/crates/ruff_linter/src/message/text.rs
+++ b/crates/ruff_linter/src/message/text.rs
@@ -327,7 +327,7 @@ fn replace_whitespace_and_unprintable(source: &str, annotation_range: TextRange)
 
         if matches!(c, '\t') {
             let tab_width = u32::try_from(line_width.get() - old_width)
-                .expect("small width because of tab sisze");
+                .expect("small width because of tab size");
             result.push_str(&source[last_end..index]);
             for _ in 0..tab_width {
                 result.push(' ');