diff --git a/mobile/app/package/contents/ui/Thumbnails.qml b/mobile/app/package/contents/ui/Thumbnails.qml
--- a/mobile/app/package/contents/ui/Thumbnails.qml
+++ b/mobile/app/package/contents/ui/Thumbnails.qml
@@ -28,10 +28,9 @@
     QQC2.ToolBar {
         id: toolBarContent
         width: root.width
-        height: searchField.height
-        QQC2.TextField {
+        contentItem: QQC2.TextField {
             id: searchField
-            anchors.fill: parent
+            placeholderText: i18n("Search...")
             enabled: documentItem ? documentItem.supportsSearching : false
             onTextChanged: {
                 if (text.length > 2) {