diff --git a/view/theme/dispy/dark/theme.php b/view/theme/dispy/dark/theme.php
index bae9db41ee..21d27f75ee 100644
--- a/view/theme/dispy/dark/theme.php
+++ b/view/theme/dispy/dark/theme.php
@@ -13,7 +13,7 @@ $a->theme_info = array(
     'family' => 'dispy',
     'name' => 'dark',
 );
-$a->theme['template_engine'] = 'smarty3';
+set_template_engine($a, 'smarty3');
 
 function dispy_dark_init(&$a) {
     /** @purpose set some theme defaults
diff --git a/view/theme/dispy/light/theme.php b/view/theme/dispy/light/theme.php
index 806f30624d..f8753ec1aa 100644
--- a/view/theme/dispy/light/theme.php
+++ b/view/theme/dispy/light/theme.php
@@ -13,7 +13,7 @@ $a->theme_info = array(
     'family' => 'dispy',
 	'name' => 'light',
 );
-$a->theme['template_engine'] = 'smarty3';
+set_template_engine($a, 'smarty3');
 
 function dispy_light_init(&$a) {