diff --git a/CMakeLists.txt b/CMakeLists.txt
index f9d0fdc..98de497 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -153,8 +153,7 @@ elseif (QT_PACKAGE_PREFIX MATCHES ".*Qt([0-9]+).*")
 endif ()
 
 # require Qt 6 for the Qt Quick GUI
-if (QUICK_GUI
-        AND (MAJOR_QT_VERSION VERSION_LESS 6 OR MAJOR_QT_VERSION VERSION_GREATER_EQUAL 7))
+if (QUICK_GUI AND (MAJOR_QT_VERSION VERSION_LESS 6 OR MAJOR_QT_VERSION VERSION_GREATER_EQUAL 7))
     message(FATAL_ERROR "The Qt Quick GUI is only compatible with Qt 6 (but Qt ${MAJOR_QT_VERSION} was found).")
 endif ()