diff --git a/cli/onionshare_cli/web/send_base_mode.py b/cli/onionshare_cli/web/send_base_mode.py
index d7173cab..c91c95de 100644
--- a/cli/onionshare_cli/web/send_base_mode.py
+++ b/cli/onionshare_cli/web/send_base_mode.py
@@ -246,7 +246,7 @@ class SendBaseModeWeb:
                             or self.common.platform == "BSD"
                         ):
                             if self.web.settings.get("share", "log_filenames"):
-                                filename_str = "f{path} - "
+                                filename_str = f"{path} - "
                             else:
                                 filename_str = ""