diff --git a/advancedcontentfilter/advancedcontentfilter.php b/advancedcontentfilter/advancedcontentfilter.php
index e34d57710..47ace1c2b 100644
--- a/advancedcontentfilter/advancedcontentfilter.php
+++ b/advancedcontentfilter/advancedcontentfilter.php
@@ -118,21 +118,23 @@ function advancedcontentfilter_prepare_body_content_filter(App $a, &$hook_data)
 		));
 	}
 
-	foreach($rules as $rule) {
-		try {
-			$serializedParsedExpression = new ExpressionLanguage\SerializedParsedExpression(
-				$rule['expression'],
-				$rule['serialized']
-			);
+	if ($rules) {
+		foreach($rules as $rule) {
+			try {
+				$serializedParsedExpression = new ExpressionLanguage\SerializedParsedExpression(
+					$rule['expression'],
+					$rule['serialized']
+				);
 
-			$found = (bool) $expressionLanguage->evaluate($serializedParsedExpression, $vars);
-		} catch (Exception $e) {
-			$found = false;
-		}
+				$found = (bool) $expressionLanguage->evaluate($serializedParsedExpression, $vars);
+			} catch (Exception $e) {
+				$found = false;
+			}
 
-		if ($found) {
-			$hook_data['filter_reasons'][] = L10n::t('Filtered by rule: %s', $rule['name']);
-			break;
+			if ($found) {
+				$hook_data['filter_reasons'][] = L10n::t('Filtered by rule: %s', $rule['name']);
+				break;
+			}
 		}
 	}
 }
@@ -199,6 +201,7 @@ function advancedcontentfilter_content(App $a)
 	} else {
 		$t = get_markup_template('settings.tpl', 'addon/advancedcontentfilter/');
 		return replace_macros($t, [
+			'$current_theme' => $a->getCurrentTheme(),
 			'$backtosettings' => L10n::t('Back to Addon Settings'),
 			'$title' => L10n::t('Advanced Content Filter'),
 			'$add_a_rule' => L10n::t('Add a Rule'),
diff --git a/advancedcontentfilter/templates/settings.tpl b/advancedcontentfilter/templates/settings.tpl
index b29c275b6..813dc9199 100644
--- a/advancedcontentfilter/templates/settings.tpl
+++ b/advancedcontentfilter/templates/settings.tpl
@@ -48,7 +48,7 @@
 			<div class="modal-dialog" role="document">
 				<div class="modal-content">
 					<div class="modal-header">
-		{{if current_theme() == 'frio'}}
+		{{if $current_theme == 'frio'}}
 						<button type="button" class="close" data-dismiss="modal" aria-label="{{$close}}" @click="showModal = false"><span aria-hidden="true">&times;</span></button>
 		{{/if}}
 						<h3 v-if="rule.id">{{$edit_the_rule}} "{{ rule.name }}"</h3>