diff --git a/tooltipcontent.cpp b/tooltipcontent.cpp
index b92fc87e1..be7721b0c 100644
--- a/tooltipcontent.cpp
+++ b/tooltipcontent.cpp
@@ -212,18 +212,17 @@ void ToolTipContent::registerResources(QTextDocument *document) const
     while (it.hasNext()) {
         it.next();
         const ToolTipResource &r = it.value();
-        QTextDocument::ResourceType t;
+        QTextDocument::ResourceType t(QTextDocument::ImageResource);
 
         switch (r.type) {
-            case ImageResource:
-                t = QTextDocument::ImageResource;
-                break;
             case HtmlResource:
                 t = QTextDocument::HtmlResource;
                 break;
             case CssResource:
                 t = QTextDocument::StyleSheetResource;
                 break;
+            default:
+                break;
         }
 
         document->addResource(t, it.key(), r.data);