diff --git a/frames/CTkTableFrame.py b/frames/CTkTableFrame.py
index 44297c2..90d7d8c 100644
--- a/frames/CTkTableFrame.py
+++ b/frames/CTkTableFrame.py
@@ -166,6 +166,9 @@ class CTkTableFrame(ctk.CTkFrame):
     def edit(self, row_index, new_data=None, color=None, disable=False, **__):
         """Редактирует строку по индексу."""
 
+        if row_index == -1:
+            row_index = len(self._data) - 1
+
         def _disable_colors(widget):
             widget.unbind("<Enter>")
             widget.unbind("<Leave>")