diff --git a/crates/editor/src/editor.rs b/crates/editor/src/editor.rs
index 8d94aec8e6..e68220eea9 100644
--- a/crates/editor/src/editor.rs
+++ b/crates/editor/src/editor.rs
@@ -5531,9 +5531,18 @@ impl Editor {
             }
         }
 
+        let mut common_prefix_len = 0;
+        for (a, b) in old_text.chars().zip(new_text.chars()) {
+            if a == b {
+                common_prefix_len += a.len_utf8();
+            } else {
+                break;
+            }
+        }
+
         cx.emit(EditorEvent::InputHandled {
             utf16_range_to_replace: None,
-            text: new_text.clone().into(),
+            text: new_text[common_prefix_len..].into(),
         });
 
         self.transact(window, cx, |this, window, cx| {