diff --git a/crates/zeta/src/zeta.rs b/crates/zeta/src/zeta.rs
index a1b171304e179351dbdf936a32d86f8b5f10f0d9..0e94e4fb915cd9bf0af7b00a69ac8d8e1bbbd68d 100644
--- a/crates/zeta/src/zeta.rs
+++ b/crates/zeta/src/zeta.rs
@@ -409,7 +409,7 @@ impl Zeta {
         offset: usize,
         snapshot: &BufferSnapshot,
     ) -> Vec<(Range<Anchor>, String)> {
-        let diff = similar::TextDiff::from_chars(old_text.as_str(), new_text);
+        let diff = similar::TextDiff::from_words(old_text.as_str(), new_text);
 
         let mut edits: Vec<(Range<usize>, String)> = Vec::new();
         let mut old_start = offset;