diff --git a/themes/lite/layout.class.php b/themes/lite/layout.class.php
index 3cf8e9d9..b8b480fe 100644
--- a/themes/lite/layout.class.php
+++ b/themes/lite/layout.class.php
@@ -20,6 +20,7 @@ class Layout {
 		$contact_link = $config->get_string('contact_link');
 
 		$header_html = "";
+		ksort($page->html_headers);
 		foreach($page->html_headers as $line) {
 			$header_html .= "\t\t$line\n";
 		}
diff --git a/themes/warm/layout.class.php b/themes/warm/layout.class.php
index afac42b0..46e79774 100644
--- a/themes/warm/layout.class.php
+++ b/themes/warm/layout.class.php
@@ -16,6 +16,7 @@ class Layout {
 		$contact_link = $config->get_string('contact_link');
 
 		$header_html = "";
+		ksort($page->html_headers);
 		foreach($page->html_headers as $line) {
 			$header_html .= "\t\t$line\n";
 		}