diff --git a/cmake/findDependencies.cmake b/cmake/findDependencies.cmake
index bdfc171d7e9..1115a2260fe 100644
--- a/cmake/findDependencies.cmake
+++ b/cmake/findDependencies.cmake
@@ -28,6 +28,21 @@ if(BUILD_GUI)
         find_package(Qt5 COMPONENTS ${qt_components} REQUIRED)
         set(QT_VERSION "${Qt5Core_VERSION_STRING}")
     endif()
+
+    if(WIN32)
+        # TODO: how to properly get the Qt binary folder?
+        if(WINDEPLOYQT_EXECUTABLE)
+            # piggy-back off WINDEPLOYQT_EXECUTABLE for now as it is in the same folder as the binary we are looking for
+            get_filename_component(_qt_bin_dir ${WINDEPLOYQT_EXECUTABLE} DIRECTORY)
+        else()
+            # WINDEPLOYQT_EXECUTABLE does not seem to exist with Qt5 so piggy-back off another variable
+            get_target_property(_qmake_executable Qt5::qmake IMPORTED_LOCATION)
+            get_filename_component(_qt_bin_dir ${_qmake_executable} DIRECTORY)
+        endif()
+        find_program(QHELPGENERATOR qhelpgenerator HINTS ${_qt_bin_dir} REQUIRED)
+    else()
+        find_program(QHELPGENERATOR qhelpgenerator REQUIRED)
+    endif()
 endif()
 
 if(HAVE_RULES)
diff --git a/cmake/printInfo.cmake b/cmake/printInfo.cmake
index bb633650b7d..97681645035 100644
--- a/cmake/printInfo.cmake
+++ b/cmake/printInfo.cmake
@@ -73,6 +73,7 @@ if(BUILD_GUI)
         message(STATUS "Qt5Core_LIBRARIES =     ${Qt5Core_LIBRARIES}")
         message(STATUS "Qt5Core_INCLUDE_DIRS =  ${Qt5Core_INCLUDE_DIRS}")
     endif()
+    message(STATUS "QHELPGENERATOR =        ${QHELPGENERATOR}")
 endif()
 message(STATUS)
 message(STATUS "HAVE_RULES =            ${HAVE_RULES}")
diff --git a/gui/CMakeLists.txt b/gui/CMakeLists.txt
index 31fe62eaf64..cd73ab96ecb 100644
--- a/gui/CMakeLists.txt
+++ b/gui/CMakeLists.txt
@@ -71,6 +71,10 @@ CheckOptions:
         target_compile_options_safe(cppcheck-gui -Wno-redundant-parens)
     endif()
 
+    # TODO: generate in CMAKE_BINARY_DIR folder
+    add_custom_target(online-help.qhc ${QHELPGENERATOR} ${CMAKE_CURRENT_SOURCE_DIR}/help/online-help.qhcp -o ${CMAKE_CURRENT_SOURCE_DIR}/help/online-help.qhc)
+    add_dependencies(cppcheck-gui online-help.qhc)
+
     install(TARGETS cppcheck-gui RUNTIME DESTINATION ${CMAKE_INSTALL_FULL_BINDIR} COMPONENT applications)
     install(FILES ${qms} DESTINATION ${CMAKE_INSTALL_FULL_BINDIR} COMPONENT applications)