diff --git a/crates/ruff/src/message/text.rs b/crates/ruff/src/message/text.rs
index 89244f4685..237b304d28 100644
--- a/crates/ruff/src/message/text.rs
+++ b/crates/ruff/src/message/text.rs
@@ -223,7 +223,7 @@ impl Display for MessageCodeFrame<'_> {
             let content_end_cell = jupyter_index
                 .cell(content_end_index.get())
                 .unwrap_or_default();
-            while end_index < content_end_index {
+            while end_index > content_end_index {
                 if jupyter_index.cell(end_index.get()).unwrap_or_default() == content_end_cell {
                     break;
                 }