diff --git a/Installation/CMakeLists.txt b/Installation/CMakeLists.txt
index d9a0eecee3c..ccae6f60163 100644
--- a/Installation/CMakeLists.txt
+++ b/Installation/CMakeLists.txt
@@ -73,6 +73,8 @@ if(CGAL_BRANCH_BUILD)
   set(CGAL_GRAPHICSVIEW_PACKAGE_DIR
       "${CGAL_SOURCE_DIR}/GraphicsView"
       CACHE INTERNAL "Directory containing the GraphicsView package")
+  file(GLOB INCLUDE_CGAL_QT_DIRECTORIES "${CGAL_SOURCE_DIR}/*/include/CGAL/Qt")
+  message(STATUS "Include CGAL/Qt directories: ${INCLUDE_CGAL_QT_DIRECTORIES}")
 
   message(STATUS "Installation package directory: ${CGAL_INSTALLATION_PACKAGE_DIR}")
   message(STATUS "Maintenance package directory: ${CGAL_MAINTENANCE_PACKAGE_DIR}")
@@ -104,6 +106,7 @@ else(CGAL_BRANCH_BUILD)
   set(CGAL_GRAPHICSVIEW_PACKAGE_DIR
       "${CGAL_SOURCE_DIR}"
       CACHE INTERNAL "Directory containing the GraphicsView package")
+  set(INCLUDE_CGAL_QT_DIRECTORIES "${CGAL_SOURCE_DIR}/include/CGAL/Qt")
 
   # Enable testing with BUILD_TESTING
   option(BUILD_TESTING "Build the testing tree." OFF)
@@ -647,7 +650,7 @@ cache_get(CGAL_3RD_PARTY_INCLUDE_DIRS  )
 cache_get(CGAL_3RD_PARTY_LIBRARIES     )
 cache_get(CGAL_3RD_PARTY_LIBRARIES_DIRS)
 
-install(DIRECTORY "${CGAL_GRAPHICSVIEW_PACKAGE_DIR}/include/CGAL/Qt/" DESTINATION "${CGAL_INSTALL_INC_DIR}/CGAL/Qt" COMPONENT CGAL_Qt6)
+install(DIRECTORY ${INCLUDE_CGAL_QT_DIRECTORIES} DESTINATION "${CGAL_INSTALL_INC_DIR}/CGAL/" COMPONENT CGAL_Qt6)
 if(CGAL_BRANCH_BUILD)
   install(DIRECTORY "${CGAL_GRAPHICSVIEW_PACKAGE_DIR}/demo/resources/" DESTINATION "${CGAL_INSTALL_CMAKE_DIR}/demo/resources" COMPONENT CGAL_Qt6)
   install(DIRECTORY "${CGAL_GRAPHICSVIEW_PACKAGE_DIR}/demo/icons/" DESTINATION "${CGAL_INSTALL_CMAKE_DIR}/demo/icons" COMPONENT CGAL_Qt6)