diff --git a/kitty/file_transmission.py b/kitty/file_transmission.py
index b585d5728..2b9acfe25 100644
--- a/kitty/file_transmission.py
+++ b/kitty/file_transmission.py
@@ -976,7 +976,7 @@ class FileTransmission:
             finally:
                 self.drop_receive(ar.id)
         else:
-            log_error('Transmission receive command with unknown action: {cmd.action}, ignoring')
+            log_error(f'Transmission receive command with unknown action: {cmd.action}, ignoring')
 
     def transmit_rsync_signature(
         self, fs: Iterator[memoryview],
diff --git a/kitty/window.py b/kitty/window.py
index fecf20133..f0a2fedf0 100644
--- a/kitty/window.py
+++ b/kitty/window.py
@@ -832,7 +832,7 @@ class Window:
         args = self.child.foreground_cmdline
         conn_data = get_connection_data(args, self.child.foreground_cwd or self.child.current_cwd or '')
         if conn_data is None:
-            get_boss().show_error('Could not handle remote file', 'No SSH connection data found in: {args}')
+            get_boss().show_error('Could not handle remote file', f'No SSH connection data found in: {args}')
             return
         get_boss().run_kitten(
             'remote_file', '--hostname', netloc.partition(':')[0], '--path', remote_path,