diff --git a/gtm b/gtm
index c4aeaec..c7d11ca 100755
--- a/gtm
+++ b/gtm
@@ -1003,7 +1003,7 @@ def handle_keyboard_input(key, state: AppState) -> AppState:
         return toggle_sidebar(state)
     elif key == ord('w'):
         return replace(state, wrap_lines=not state.wrap_lines)
-    elif key == ord('l'):
+    elif key == ord('L'):
         return replace(state, show_line_numbers=not state.show_line_numbers)
     elif key in [110, ord('n')]:  # ASCII code for 'n'
         if state.search_matches: