diff --git a/cmake/QtFlagHandlingHelpers.cmake b/cmake/QtFlagHandlingHelpers.cmake
index 28231cb5..018d697b 100644
--- a/cmake/QtFlagHandlingHelpers.cmake
+++ b/cmake/QtFlagHandlingHelpers.cmake
@@ -69,7 +69,7 @@ function(qt_internal_add_linker_version_script target)
             endforeach()
         endforeach()
 
-        string(APPEND contents "\n};\nQt_${PROJECT_VERSION_MAJOR}_PRIVATE_API { qt_private_api_tag*;\n")
+        string(APPEND contents "\n};\nQt_${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}_PRIVATE_API { qt_private_api_tag*;\n")
         if(arg_PRIVATE_HEADERS)
             foreach(ph ${arg_PRIVATE_HEADERS})
                 string(APPEND contents "    @FILE:${ph}@\n")