diff --git a/src/plugins/platforms/wayland/plugins/shellintegration/wl-shell/CMakeLists.txt b/src/plugins/platforms/wayland/plugins/shellintegration/wl-shell/CMakeLists.txt
index 85ed7b0aa12..38033e03131 100644
--- a/src/plugins/platforms/wayland/plugins/shellintegration/wl-shell/CMakeLists.txt
+++ b/src/plugins/platforms/wayland/plugins/shellintegration/wl-shell/CMakeLists.txt
@@ -18,7 +18,7 @@ qt_internal_add_module(WlShellIntegrationPrivate
 
 qt6_generate_wayland_protocol_client_sources(WlShellIntegrationPrivate
     # this is just a helper module and still part of the QtWaylandClient build
-    WAYLAND_INCLUDE_DIR QtWaylandClient/private
+    __QT_INTERNAL_WAYLAND_INCLUDE_DIR QtWaylandClient/private
     FILES
         ${CMAKE_CURRENT_SOURCE_DIR}/../../../3rdparty/protocol/wayland.xml
 )
diff --git a/src/tools/qtwaylandscanner/Qt6WaylandClientMacros.cmake b/src/tools/qtwaylandscanner/Qt6WaylandClientMacros.cmake
index 879841a075a..c810325955e 100644
--- a/src/tools/qtwaylandscanner/Qt6WaylandClientMacros.cmake
+++ b/src/tools/qtwaylandscanner/Qt6WaylandClientMacros.cmake
@@ -1,5 +1,5 @@
 function(qt6_generate_wayland_protocol_client_sources target)
-    cmake_parse_arguments(arg "" "WAYLAND_INCLUDE_DIR" "FILES" ${ARGN})
+    cmake_parse_arguments(arg "" "__QT_INTERNAL_WAYLAND_INCLUDE_DIR" "FILES" ${ARGN})
     if(DEFINED arg_UNPARSED_ARGUMENTS)
         message(FATAL_ERROR "Unknown arguments were passed to qt6_generate_wayland_protocol_client_sources: (${arg_UNPARSED_ARGUMENTS}).")
     endif()
@@ -35,8 +35,8 @@ function(qt6_generate_wayland_protocol_client_sources target)
         )
 
         set(wayland_include_dir "")
-        if(arg_WAYLAND_INCLUDE_DIR)
-            set(wayland_include_dir "${arg_WAYLAND_INCLUDE_DIR}")
+        if(arg___QT_INTERNAL_WAYLAND_INCLUDE_DIR)
+            set(wayland_include_dir "${arg___QT_INTERNAL_WAYLAND_INCLUDE_DIR}")
         else()
             get_target_property(qt_module ${target} _qt_module_interface_name)
             get_target_property(is_for_module "${target}" _qt_module_has_headers)
diff --git a/src/tools/qtwaylandscanner/Qt6WaylandCompositorMacros.cmake b/src/tools/qtwaylandscanner/Qt6WaylandCompositorMacros.cmake
index a9e79ce45c2..92ad04696b4 100644
--- a/src/tools/qtwaylandscanner/Qt6WaylandCompositorMacros.cmake
+++ b/src/tools/qtwaylandscanner/Qt6WaylandCompositorMacros.cmake
@@ -1,5 +1,5 @@
 function(qt6_generate_wayland_protocol_server_sources target)
-    cmake_parse_arguments(arg "" "WAYLAND_INCLUDE_DIR" "FILES" ${ARGN})
+    cmake_parse_arguments(arg "" "__QT_INTERNAL_WAYLAND_INCLUDE_DIR" "FILES" ${ARGN})
     if(DEFINED arg_UNPARSED_ARGUMENTS)
         message(FATAL_ERROR "Unknown arguments were passed to qt6_generate_wayland_protocol_server_sources: (${arg_UNPARSED_ARGUMENTS}).")
     endif()
@@ -33,8 +33,8 @@ function(qt6_generate_wayland_protocol_server_sources target)
         )
 
         set(wayland_include_dir "")
-        if(arg_WAYLAND_INCLUDE_DIR)
-            set(wayland_include_dir "${arg_WAYLAND_INCLUDE_DIR}")
+        if(arg___QT_INTERNAL_WAYLAND_INCLUDE_DIR)
+            set(wayland_include_dir "${arg___QT_INTERNAL_WAYLAND_INCLUDE_DIR}")
         else()
             get_target_property(qt_module ${target} _qt_module_interface_name)
             get_target_property(is_for_module "${target}" _qt_module_has_headers)