diff --git a/find-modules/FindQHelpGenerator.cmake b/find-modules/FindQHelpGenerator.cmake
index 3d55da1..50aef27 100644
--- a/find-modules/FindQHelpGenerator.cmake
+++ b/find-modules/FindQHelpGenerator.cmake
@@ -1,75 +1,75 @@
 # WARNING: FOR ECM-INTERNAL USE ONLY, DO NOT USE IN OWN PROJECTS
 # THIS FILE MIGHT DISAPPEAR IN FUTURE VERSIONS OF ECM.
 
 # Finds the Qt5 QHelpGenerator
 #
 #  QHelpGenerator_FOUND     - True if QHelpGenerator found.
 #  QHelpGenerator_EXECUTABLE - Path to executable
 
 #=============================================================================
 # Copyright 2016 Friedrich W. H. Kossebau <kossebau@kde.org>
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
 # are met:
 #
 # 1. Redistributions of source code must retain the copyright
 #    notice, this list of conditions and the following disclaimer.
 # 2. Redistributions in binary form must reproduce the copyright
 #    notice, this list of conditions and the following disclaimer in the
 #    documentation and/or other materials provided with the distribution.
 # 3. The name of the author may not be used to endorse or promote products
 #    derived from this software without specific prior written permission.
 #
 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #=============================================================================
 
 find_package(Qt5Core QUIET)
 if (TARGET Qt5::qhelpgenerator)
     get_target_property(QHelpGenerator_EXECUTABLE Qt5::qhelpgenerator LOCATION)
 else()
     # assume same folder as qmake executable
     if (TARGET Qt5::qmake)
         get_target_property(_qmake_EXECUTABLE Qt5::qmake LOCATION)
         get_filename_component(_path ${_qmake_EXECUTABLE} DIRECTORY)
     else()
         set(_path)
     endif()
-    # TODO: prevent that the Qt4 version is picked up
     find_program(QHelpGenerator_EXECUTABLE
         NAMES
             qhelpgenerator-qt5
             qhelpgenerator
-        PATH
+        PATHS
             ${_path}
+        NO_DEFAULT_PATH
     )
 endif()
 mark_as_advanced(QHelpGenerator_EXECUTABLE)
 
 if(QHelpGenerator_EXECUTABLE)
     set(QHelpGenerator_FOUND TRUE)
 else()
     set(QHelpGenerator_FOUND FALSE)
 endif()
 
 if(QHelpGenerator_FOUND)
   if(NOT QHelpGenerator_FIND_QUIETLY )
     message( STATUS "Found QHelpGenerator executable: ${QHelpGenerator_EXECUTABLE}")
   endif()
 else()
   if(QHelpGenerator_FIND_REQUIRED)
     message( FATAL_ERROR "Could not find QHelpGenerator executable" )
   else()
     message( STATUS "Optional QHelpGenerator executable was not found" )
   endif()
 endif()