diff --git a/src/test/propertywatchtest.cpp b/src/test/propertywatchtest.cpp
index 5a0c121..1c56658 100644
--- a/src/test/propertywatchtest.cpp
+++ b/src/test/propertywatchtest.cpp
@@ -123,7 +123,7 @@
     MockDBusInterface::instance(dbus);
 
     const std::vector<std::string> expectedMapperInterfaces;
-    PropertyWatchOfType<T, MockDBusInterface> watch({}, watchIndex);
+    PropertyWatchOfType<T, MockDBusInterface> watch(watchIndex);
 
     auto ndx = static_cast<size_t>(0);
     for (const auto& o : convert(watchIndex))