diff --git a/index.php b/index.php
index 0280a0728..72ec23cd6 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", $_SESSION["uid"], false);
+		$theme = get_pref("USER_CSS_THEME");
 		if ($theme && theme_valid("$theme")) {
 			echo stylesheet_tag(get_theme_path($theme));
 		} else {
diff --git a/prefs.php b/prefs.php
index 2b1270f10..d2da1fdca 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", $_SESSION["uid"], false);
+		$theme = get_pref("USER_CSS_THEME");
 		if ($theme && theme_valid("$theme")) {
 			echo stylesheet_tag(get_theme_path($theme));
 		} else {