diff --git a/CMakeLists.txt b/CMakeLists.txt
index 70d67220..d6eff96e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -34,7 +34,7 @@ if (NOT QT_BUILD_STANDALONE_TESTS)
     list(APPEND CMAKE_MODULE_PATH "${__qt6_qtbase_src_path}/cmake/3rdparty/kwin")
 endif()
 
-include("QtTopLevelHelpers")
+include(QtTopLevelHelpers)
 include(ECMOptionalAddSubdirectory)
 
 # Also make sure the CMake config files do not recreate the already-existing targets