diff --git a/kitty/boss.py b/kitty/boss.py
index 9bc5095dd..4d0906cbf 100644
--- a/kitty/boss.py
+++ b/kitty/boss.py
@@ -2035,7 +2035,7 @@ class Boss:
                 s.shutdown(socket.SHUT_RDWR)
             s.close()
 
-    def display_scrollback(self, window: Window, data: bytes | str, input_line_number: int = 0, title: str = '', report_cursor: bool = True) -> None:
+    def display_scrollback(self, window: Window, data: bytes | str, input_line_number: int = 0, title: str = '', report_cursor: bool = True) -> Window | None:
 
         def prepare_arg(x: str) -> str:
             x = x.replace('INPUT_LINE_NUMBER', str(input_line_number))
@@ -2065,10 +2065,11 @@ class Boss:
                     else:
                         bdata = re.sub(br'\x1b\].*?\x1b\\', b'', bdata)
 
-            tab.new_special_window(
+            return tab.new_special_window(
                 SpecialWindow(cmd, bdata, title or _('History'), overlay_for=window.id, cwd=window.cwd_of_child),
                 copy_colors_from=self.active_window
                 )
+        return None
 
     @ac('misc', 'Edit the kitty.conf config file in your favorite text editor')
     def edit_config_file(self, *a: Any) -> None: