diff --git a/Periodic_3_triangulation_3/demo/Periodic_3_triangulation_3/CMakeLists.txt b/Periodic_3_triangulation_3/demo/Periodic_3_triangulation_3/CMakeLists.txt
index 21db624457d..a0d4b6416ad 100644
--- a/Periodic_3_triangulation_3/demo/Periodic_3_triangulation_3/CMakeLists.txt
+++ b/Periodic_3_triangulation_3/demo/Periodic_3_triangulation_3/CMakeLists.txt
@@ -14,7 +14,7 @@ find_package(CGAL COMPONENTS Qt5)
 include( ${CGAL_USE_FILE} )
 
 # Find Qt5 itself
-find_package(Qt5 COMPONENTS Xml OpenGL Help Core Sql)
+find_package(Qt5 QUIET COMPONENTS Xml OpenGL Help Core Sql)
 
 # Find OpenGL
 find_package(OpenGL)