diff --git a/mail/app/profile/all.js b/mail/app/profile/all.js
index ff1ce078f9c2..c23a7749efd5 100644
--- a/mail/app/profile/all.js
+++ b/mail/app/profile/all.js
@@ -155,6 +155,7 @@ pref("browser.show_about_as_stupid_modal_window", false);
 pref("browser.download.progressDnldDialog.keepAlive", true); // keep the dnload progress dialog up after dnload is complete
 pref("browser.download.progressDnldDialog.enable_launch_reveal_buttons", true);
 pref("browser.download.useDownloadDir", false);
+pref("browser.download.folderList", 0);
 
 // various default search settings
 pref("browser.search.defaulturl", "chrome://navigator-region/locale/region.properties");
diff --git a/mail/app/profile/thunderbird.js b/mail/app/profile/thunderbird.js
index ff1ce078f9c2..c23a7749efd5 100644
--- a/mail/app/profile/thunderbird.js
+++ b/mail/app/profile/thunderbird.js
@@ -155,6 +155,7 @@ pref("browser.show_about_as_stupid_modal_window", false);
 pref("browser.download.progressDnldDialog.keepAlive", true); // keep the dnload progress dialog up after dnload is complete
 pref("browser.download.progressDnldDialog.enable_launch_reveal_buttons", true);
 pref("browser.download.useDownloadDir", false);
+pref("browser.download.folderList", 0);
 
 // various default search settings
 pref("browser.search.defaulturl", "chrome://navigator-region/locale/region.properties");