diff --git a/CMakeLists.txt b/CMakeLists.txt
index f5428101..eb6c1c73 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,9 +12,13 @@ project(QtDataVisualization
 )
 
 find_package(Qt6 ${PROJECT_VERSION} CONFIG REQUIRED COMPONENTS BuildInternals)
+
+# This should be called as early as possible, just after find_package(BuildInternals) where it is
+# defined.
+qt_internal_project_setup()
+
 find_package(Qt6 ${PROJECT_VERSION} CONFIG OPTIONAL_COMPONENTS
     Core OpenGL Quick Qml Gui Widgets QuickTest Test)
-qt_internal_project_setup()
 
 macro(assertTargets)
     foreach(qtTarget IN ITEMS ${ARGN})