diff --git a/src/_h5ai/backend/php/class-bootstrap.php b/src/_h5ai/backend/php/class-bootstrap.php
index d534d22b..2bb458be 100644
--- a/src/_h5ai/backend/php/class-bootstrap.php
+++ b/src/_h5ai/backend/php/class-bootstrap.php
@@ -20,11 +20,11 @@ class Bootstrap {
         if ($context->is_api_request()) {
             (new Api($context))->apply();
         } else if ($context->is_info_request()) {
-            define('PUBLIC_HREF', $setup->get('PUBLIC_HREF'));
+            $public_href = $setup->get('PUBLIC_HREF');
             require __DIR__ . '/pages/info.php';
         } else {
-            define('PUBLIC_HREF', $setup->get('PUBLIC_HREF'));
-            define('FALLBACK', (new Fallback($context))->get_html());
+            $public_href = $setup->get('PUBLIC_HREF');
+            $fallback_html = (new Fallback($context))->get_html();
             require __DIR__ . '/pages/index.php';
         }
     }
diff --git a/src/_h5ai/backend/php/pages/index.php.jade b/src/_h5ai/backend/php/pages/index.php.jade
index 377ca51a..6c89cc6b 100644
--- a/src/_h5ai/backend/php/pages/index.php.jade
+++ b/src/_h5ai/backend/php/pages/index.php.jade
@@ -2,9 +2,9 @@ extends ./page.tpl.jade
 
 block init
 
-    - var TITLE = 'index - powered by ' + pkg.name + ' v' + pkg.version + ' (' + pkg.homepage + ')'
-    - var MODULE = 'index'
+    - var title = 'index - powered by ' + pkg.name + ' v' + pkg.version + ' (' + pkg.homepage + ')'
+    - var module = 'index'
 
 block body
 
-    div#fallback <?= FALLBACK; ?>
+    div#fallback <?= $fallback_html; ?>
diff --git a/src/_h5ai/backend/php/pages/info.php.jade b/src/_h5ai/backend/php/pages/info.php.jade
index d4700c3b..0aa5723b 100644
--- a/src/_h5ai/backend/php/pages/info.php.jade
+++ b/src/_h5ai/backend/php/pages/info.php.jade
@@ -2,8 +2,8 @@ extends ./page.tpl.jade
 
 block init
 
-    - var TITLE = pkg.name + ' info page - v' + pkg.version
-    - var MODULE = 'info'
+    - var title = pkg.name + ' info page - v' + pkg.version
+    - var module = 'info'
 
 block body
 
@@ -17,4 +17,4 @@ block body
                 form( action="https://www.paypal.com/cgi-bin/webscr", method="post", target="_blank" )
                     input( type="hidden", name="cmd", value="_s-xclick" )
                     input( type="hidden", name="hosted_button_id", value="8WSPKWT7YBTSQ" )
-                    input( type="image", src!="#{PUBLIC_HREF}images/ui/paypal.svg", name="submit", alt="PayPal" )
+                    input( type="image", src!="#{public_href}images/ui/paypal.svg", name="submit", alt="PayPal" )
diff --git a/src/_h5ai/backend/php/pages/page.tpl.jade b/src/_h5ai/backend/php/pages/page.tpl.jade
index 61048971..d11b1692 100644
--- a/src/_h5ai/backend/php/pages/page.tpl.jade
+++ b/src/_h5ai/backend/php/pages/page.tpl.jade
@@ -1,4 +1,4 @@
-- var PUBLIC_HREF = '<?= PUBLIC_HREF; ?>'
+- var public_href = '<?= $public_href; ?>'
 
 block init
 
@@ -10,16 +10,16 @@ doctype html
 head
     meta( charset="utf-8" )
     meta( http-equiv="x-ua-compatible", content="ie=edge" )
-    title #{TITLE}
-    meta( name="description", content="#{TITLE}" )
+    title #{title}
+    meta( name="description", content="#{title}" )
     meta( name="viewport", content="width=device-width, initial-scale=1" )
-    link( rel="shortcut icon", href!="#{PUBLIC_HREF}images/favicon/favicon-16-32.ico" )
-    link( rel="apple-touch-icon-precomposed", type="image/png", href!="#{PUBLIC_HREF}images/favicon/favicon-152.png" )
+    link( rel="shortcut icon", href!="#{public_href}images/favicon/favicon-16-32.ico" )
+    link( rel="apple-touch-icon-precomposed", type="image/png", href!="#{public_href}images/favicon/favicon-152.png" )
     link( rel="stylesheet", href="//fonts.googleapis.com/css?family=Roboto:300,400,700" )
-    link( rel="stylesheet", href!="#{PUBLIC_HREF}css/styles.css" )
-    script( src!="#{PUBLIC_HREF}js/scripts.js", data-module="#{MODULE}" )
+    link( rel="stylesheet", href!="#{public_href}css/styles.css" )
+    script( src!="#{public_href}js/scripts.js", data-module="#{module}" )
 
-body#root( class="#{MODULE}" )
+body#root( class="#{module}" )
 
     div#fallback-hints
         span.noJsMsg