--- a/CMakeLists.txt	2024-02-05 00:29:17.000000000 +0100
+++ b/CMakeLists.txt	2024-10-13 17:20:53.412858588 +0200
@@ -239,13 +239,10 @@
     endif()
   endif()
   if(QUARTER_BUILD_DOC_QTHELP)
-    find_program(QHG_LOCATION NAMES qhelpgenerator qhelpgenerator-qt5 DOC "Qt qhelpgenerator")
-    if(NOT QHG_LOCATION)
-      message(FATAL_ERROR "Missing program Qt qhelpgenerator")
-    else()
-      set(GENERATE_QHP YES)
-      mark_as_advanced(QHG_LOCATION)
-    endif()
+    find_package(Qt6Tools REQUIRED Help)
+    get_target_property(QHG_LOCATION Qt6::qhelpgenerator LOCATION)
+    set(GENERATE_QHP YES)
+    mark_as_advanced(QHG_LOCATION)
   endif()
 
   set(DOXYGEN_INTERNAL_DOCS NO)