diff --git a/modules/programs/firefox.nix b/modules/programs/firefox.nix
index d420f554f..368d43f4c 100644
--- a/modules/programs/firefox.nix
+++ b/modules/programs/firefox.nix
@@ -68,7 +68,7 @@ let
         ''
           ${indent indentLevel}<DT><A HREF="${
             escapeXML bookmark.url
-          }" ADD_DATE="0" LAST_MODIFIED="0"${
+          }" ADD_DATE="1" LAST_MODIFIED="1"${
             lib.optionalString (bookmark.keyword != null)
             " SHORTCUTURL=\"${escapeXML bookmark.keyword}\""
           }${
diff --git a/tests/modules/programs/firefox/profile-settings-expected-bookmarks.html b/tests/modules/programs/firefox/profile-settings-expected-bookmarks.html
index c65cb1b12..96a540c23 100644
--- a/tests/modules/programs/firefox/profile-settings-expected-bookmarks.html
+++ b/tests/modules/programs/firefox/profile-settings-expected-bookmarks.html
@@ -8,18 +8,18 @@
 <DL><p>
   <DT><H3 PERSONAL_TOOLBAR_FOLDER="true">Bookmarks Toolbar</H3>
   <DL><p>
-    <DT><A HREF="https://nixos.wiki/wiki/Home_Manager" ADD_DATE="0" LAST_MODIFIED="0">Home Manager</A>
+    <DT><A HREF="https://nixos.wiki/wiki/Home_Manager" ADD_DATE="1" LAST_MODIFIED="1">Home Manager</A>
   </p></DL>
-  <DT><A HREF="https://en.wikipedia.org/wiki/Special:Search?search=%s&amp;go=Go" ADD_DATE="0" LAST_MODIFIED="0" SHORTCUTURL="wiki" TAGS="wiki">wikipedia</A>
-  <DT><A HREF="https://www.kernel.org" ADD_DATE="0" LAST_MODIFIED="0">kernel.org</A>
+  <DT><A HREF="https://en.wikipedia.org/wiki/Special:Search?search=%s&amp;go=Go" ADD_DATE="1" LAST_MODIFIED="1" SHORTCUTURL="wiki" TAGS="wiki">wikipedia</A>
+  <DT><A HREF="https://www.kernel.org" ADD_DATE="1" LAST_MODIFIED="1">kernel.org</A>
   <DT><H3>Nix sites</H3>
   <DL><p>
-    <DT><A HREF="https://nixos.org/" ADD_DATE="0" LAST_MODIFIED="0">homepage</A>
-    <DT><A HREF="https://nixos.wiki/" ADD_DATE="0" LAST_MODIFIED="0" TAGS="wiki,nix">wiki</A>
+    <DT><A HREF="https://nixos.org/" ADD_DATE="1" LAST_MODIFIED="1">homepage</A>
+    <DT><A HREF="https://nixos.wiki/" ADD_DATE="1" LAST_MODIFIED="1" TAGS="wiki,nix">wiki</A>
     <DT><H3>Nix sites</H3>
     <DL><p>
-      <DT><A HREF="https://nixos.org/" ADD_DATE="0" LAST_MODIFIED="0">homepage</A>
-      <DT><A HREF="https://nixos.wiki/" ADD_DATE="0" LAST_MODIFIED="0">wiki</A>
+      <DT><A HREF="https://nixos.org/" ADD_DATE="1" LAST_MODIFIED="1">homepage</A>
+      <DT><A HREF="https://nixos.wiki/" ADD_DATE="1" LAST_MODIFIED="1">wiki</A>
     </p></DL>
   </p></DL>
 </p></DL>