diff --git a/Utilities/Sphinx/CMakeLists.txt b/Utilities/Sphinx/CMakeLists.txt
index 0ae67bd8c..132ce602a 100644
--- a/Utilities/Sphinx/CMakeLists.txt
+++ b/Utilities/Sphinx/CMakeLists.txt
@@ -149,7 +149,7 @@ if(SPHINX_HTML)
           )
 endif()
 if(SPHINX_QTHELP)
-  install(FILES ${CMAKE_CURRENT_BINARY_DIR}/qthelp/CMake.qch
+  install(FILES ${CMAKE_CURRENT_BINARY_DIR}/qthelp/CMake-${CMake_VERSION_MAJOR}${CMake_VERSION_MINOR}${CMake_VERSION_PATCH}.qch
           DESTINATION ${CMAKE_DOC_DIR}
           )
 endif()