diff --git a/examples/mqtt/CMakeLists.txt b/examples/mqtt/CMakeLists.txt
index 2471b26..0a0c91e 100644
--- a/examples/mqtt/CMakeLists.txt
+++ b/examples/mqtt/CMakeLists.txt
@@ -1,14 +1,14 @@
 # Generated from mqtt.pro.
 
-add_subdirectory(consolepubsub)
+qt_internal_add_example(consolepubsub)
 if(TARGET Qt::Gui AND TARGET Qt::Widgets)
-    add_subdirectory(simpleclient)
-    add_subdirectory(subscriptions)
+    qt_internal_add_example(simpleclient)
+    qt_internal_add_example(subscriptions)
 endif()
 if(TARGET Qt::Quick)
-    add_subdirectory(quicksubscription)
-    add_subdirectory(quickpublication)
+    qt_internal_add_example(quicksubscription)
+    qt_internal_add_example(quickpublication)
 endif()
 if(TARGET Qt::WebSockets)
-    add_subdirectory(websocketsubscription)
+    qt_internal_add_example(websocketsubscription)
 endif()