diff --git a/src/plasmaquick/private/packages.cpp b/src/plasmaquick/private/packages.cpp
index a270d65c4..6c1bd793e 100644
--- a/src/plasmaquick/private/packages.cpp
+++ b/src/plasmaquick/private/packages.cpp
@@ -31,6 +31,7 @@
 void LookAndFeelPackage::initPackage(Plasma::Package *package)
 {
     // http://community.kde.org/Plasma/lookAndFeelPackage#
+    package->addFileDefinition("screenshot", "screenshot.png", i18n("Theme preview thumbnail"));
 
     package->setDefaultPackageRoot(PLASMA_RELATIVE_DATA_INSTALL_DIR "/look-and-feel/");