diff --git a/.local/share/applications/userapp-Firefox-RJEWT1.desktop b/.local/share/applications/userapp-Firefox-RJEWT1.desktop
index 0710bf1..f54592e 100644
--- a/.local/share/applications/userapp-Firefox-RJEWT1.desktop
+++ b/.local/share/applications/userapp-Firefox-RJEWT1.desktop
@@ -3,6 +3,6 @@ Encoding=UTF-8
 Version=1.0
 Type=Application
 NoDisplay=true
-Exec=/usr/lib/firefox/firefox-bin %u
+Exec=/usr/lib/firefox/firefox-bin --private-window %u
 Name=Firefox
 Comment=Custom definition for Firefox