diff --git a/doc/help/commands.asciidoc b/doc/help/commands.asciidoc
index 5668e9df6..3537a4a43 100644
--- a/doc/help/commands.asciidoc
+++ b/doc/help/commands.asciidoc
@@ -759,7 +759,7 @@ Save a session.
 * +*-q*+, +*--quiet*+: Don't show confirmation message.
 * +*-f*+, +*--force*+: Force saving internal sessions (starting with an underline).
 * +*-o*+, +*--only-active-window*+: Saves only tabs of the currently active window.
-* +*-w*+, +*--with-private*+: Include private windows.
+* +*-p*+, +*--with-private*+: Include private windows.
 
 [[set]]
 === set
diff --git a/qutebrowser/misc/sessions.py b/qutebrowser/misc/sessions.py
index d0d71f87d..066bc1576 100644
--- a/qutebrowser/misc/sessions.py
+++ b/qutebrowser/misc/sessions.py
@@ -451,6 +451,7 @@ class SessionManager(QObject):
     @cmdutils.register(name=['session-save', 'w'], instance='session-manager')
     @cmdutils.argument('name', completion=usertypes.Completion.sessions)
     @cmdutils.argument('win_id', win_id=True)
+    @cmdutils.argument('with_private', flag='p')
     def session_save(self, name: str = default, current=False, quiet=False,
                      force=False, only_active_window=False, with_private=False,
                      win_id=None):