diff --git a/MetaTag/Collector.php b/MetaTag/Collector.php
index 3c94aea..996d1da 100644
--- a/MetaTag/Collector.php
+++ b/MetaTag/Collector.php
@@ -51,10 +51,14 @@ public function collect( Content $content )
     {
         $metaTags = array();
 
-        $allHandlers = $this->configResolver->getParameter( 'global_handlers', 'netgen_open_graph' );
+        $allHandlers = $this->configResolver->hasParameter( 'global_handlers', 'netgen_open_graph' ) ?
+            $this->configResolver->getParameter( 'global_handlers', 'netgen_open_graph' ) :
+            array( 'all_content_types' => array() );
 
         $contentType = $this->contentTypeService->loadContentType( $content->contentInfo->contentTypeId );
-        $contentTypeHandlers = $this->configResolver->getParameter( 'content_type_handlers', 'netgen_open_graph' );
+        $contentTypeHandlers = $this->configResolver->hasParameter( 'content_type_handlers', 'netgen_open_graph' ) ?
+            $this->configResolver->getParameter( 'content_type_handlers', 'netgen_open_graph' ) :
+            array();
 
         if ( isset( $contentTypeHandlers[$contentType->identifier] ) )
         {
diff --git a/Resources/doc/CHANGELOG.md b/Resources/doc/CHANGELOG.md
index 5b57ba8..8fb8fe1 100644
--- a/Resources/doc/CHANGELOG.md
+++ b/Resources/doc/CHANGELOG.md
@@ -1,6 +1,10 @@
 Netgen Open Graph Bundle changelog
 ==================================
 
+## 1.1.2 (13.10.2015)
+
+* Fix `E_WARNING` in meta tag collector if semantic config does not exist
+
 ## 1.1.1 (17.08.2015)
 
 * Make sure `ezimage` field type handler generates full image URI even when variation returns the relative URI