diff --git a/index.php b/index.php
index 72ec23cd6eab94a7ba1e043ee650fd88b118e05c..f3e5928dd65c3d6e7b6f6a8bcc38818e31441838 100644
--- a/index.php
+++ b/index.php
@@ -64,7 +64,7 @@
 	<?php echo stylesheet_tag("lib/dijit/themes/claro/claro.css"); ?>
 
 	<?php if ($_SESSION["uid"]) {
-		$theme = get_pref("USER_CSS_THEME");
+		$theme = get_pref("USER_CSS_THEME", false, false);
 		if ($theme && theme_valid("$theme")) {
 			echo stylesheet_tag(get_theme_path($theme));
 		} else {
diff --git a/prefs.php b/prefs.php
index d2da1fdcac03a2a5908fe1788a84ef42508661a4..9f2b2e43b743a2cd3b1d886827986196489d6012 100644
--- a/prefs.php
+++ b/prefs.php
@@ -40,7 +40,7 @@
 	<?php echo stylesheet_tag("lib/dijit/themes/claro/claro.css"); ?>
 
 	<?php if ($_SESSION["uid"]) {
-		$theme = get_pref("USER_CSS_THEME");
+		$theme = get_pref("USER_CSS_THEME", false, false);
 		if ($theme && theme_valid("$theme")) {
 			echo stylesheet_tag(get_theme_path($theme));
 		} else {