diff --git a/cmake/QtExecutableHelpers.cmake b/cmake/QtExecutableHelpers.cmake
index bccab32b870..ebfc85eb8e8 100644
--- a/cmake/QtExecutableHelpers.cmake
+++ b/cmake/QtExecutableHelpers.cmake
@@ -197,7 +197,7 @@ function(qt_internal_add_executable name)
             endif()
             string(MAKE_C_IDENTIFIER "${name}_plugin_imports_${lib}" out_file)
             string(APPEND out_file .cpp)
-            set(class_names "$<GENEX_EVAL:$<TARGET_PROPERTY:${lib},QT_REPO_PLUGIN_CLASS_NAMES>>")
+            set(class_names "$<GENEX_EVAL:$<TARGET_PROPERTY:${lib},_qt_repo_plugin_class_names>>")
             file(GENERATE OUTPUT ${out_file} CONTENT
 "// This file is auto-generated. Do not edit.
 #include <QtPlugin>
@@ -209,7 +209,7 @@ Q_IMPORT_PLUGIN($<JOIN:${class_names},)\nQ_IMPORT_PLUGIN(>)
             target_sources(${name} PRIVATE
                 "$<$<NOT:$<STREQUAL:${class_names},>>:${out_file}>"
             )
-            target_link_libraries(${name} PRIVATE "$<TARGET_PROPERTY:${lib},QT_REPO_PLUGINS>")
+            target_link_libraries(${name} PRIVATE "$<TARGET_PROPERTY:${lib},_qt_repo_plugins>")
         endforeach()
     endif()
 endfunction()
diff --git a/cmake/QtPluginHelpers.cmake b/cmake/QtPluginHelpers.cmake
index 1eb800cb0b2..36c1335f6cd 100644
--- a/cmake/QtPluginHelpers.cmake
+++ b/cmake/QtPluginHelpers.cmake
@@ -169,8 +169,8 @@ function(qt_internal_add_plugin target)
                 DEFINITION PROJECT_NAME
             )
             if(module_project_name STREQUAL PROJECT_NAME)
-                set_property(TARGET ${qt_module_target} APPEND PROPERTY QT_REPO_PLUGINS "${target}")
-                set_property(TARGET ${qt_module_target} APPEND PROPERTY QT_REPO_PLUGIN_CLASS_NAMES
+                set_property(TARGET ${qt_module_target} APPEND PROPERTY _qt_repo_plugins "${target}")
+                set_property(TARGET ${qt_module_target} APPEND PROPERTY _qt_repo_plugin_class_names
                     "$<TARGET_PROPERTY:${target},QT_PLUGIN_CLASS_NAME>"
             )
             endif()
@@ -178,7 +178,7 @@ function(qt_internal_add_plugin target)
             # TODO: If a repo A provides an internal executable E and a plugin P, with the plugin
             # type belonging to a Qt module defined in a different repo, and executable E needs to
             # link to plugin P in a static build, currently that won't happen. The executable E
-            # will link to plugins mentioned in the Qt module's QT_REPO_PLUGINS property, but that
+            # will link to plugins mentioned in the Qt module's _qt_repo_plugins property, but that
             # property will not list P because the Qt module will be an imported target and won't
             # have a SOURCE_DIR or PROJECT NAME, so the checks above will not be met.
             # Figure out how to handle such a scenario.