diff --git a/addons/point_of_sale/tools/posbox/overwrite_after_init/usr/share/firefox-esr/browser/defaults/preferences/all-posbox.js b/addons/point_of_sale/tools/posbox/overwrite_after_init/usr/share/firefox-esr/browser/defaults/preferences/all-posbox.js
index 3a1fcac9cbd..a519ae55745 100644
--- a/addons/point_of_sale/tools/posbox/overwrite_after_init/usr/share/firefox-esr/browser/defaults/preferences/all-posbox.js
+++ b/addons/point_of_sale/tools/posbox/overwrite_after_init/usr/share/firefox-esr/browser/defaults/preferences/all-posbox.js
@@ -4,4 +4,7 @@ pref("app.update.checkInstallTime", false);
 pref("devtools.webide.widget.autoinstall", false);
 pref("xpinstall.customConfirmationUI", false);
 pref("xpinstall.signatures.required", false);
-pref("browser.shell.checkDefaultBrowser",false)
+pref("browser.shell.checkDefaultBrowser", false);
+// Open all links in the same tab
+// Needed to change URL without having multiple tabs running
+pref("browser.link.open_newwindow", 1);