diff --git a/cmake/QtPluginHelpers.cmake b/cmake/QtPluginHelpers.cmake
index f736715ab49..c9052a19172 100644
--- a/cmake/QtPluginHelpers.cmake
+++ b/cmake/QtPluginHelpers.cmake
@@ -622,7 +622,11 @@ function(qt_internal_add_darwin_permission_plugin permission)
     set_property(TARGET ${plugin_target} APPEND PROPERTY
         EXPORT_PROPERTIES _qt_darwin_permissison_separate_request
     )
-    set(permission_request_symbol "_QDarwin${permission}PermissionRequest")
+    if (QT_NAMESPACE)
+        set(permission_request_symbol "_QDarwin${permission}PermissionRequest_${QT_NAMESPACE}")
+    else()
+        set(permission_request_symbol "_QDarwin${permission}PermissionRequest")
+    endif()
     set(permission_request_flag "-Wl,-u,${permission_request_symbol}")
     set(has_usage_description_property "_qt_has_${plugin_target}_usage_description")
     set(has_usage_description_genex "$<BOOL:$<TARGET_PROPERTY:${has_usage_description_property}>>")
diff --git a/src/corelib/platform/darwin/qdarwinpermissionplugin_p_p.h b/src/corelib/platform/darwin/qdarwinpermissionplugin_p_p.h
index 649af06507a..ad4877d5d04 100644
--- a/src/corelib/platform/darwin/qdarwinpermissionplugin_p_p.h
+++ b/src/corelib/platform/darwin/qdarwinpermissionplugin_p_p.h
@@ -61,7 +61,9 @@ QT_END_NAMESPACE
 
 // Request
 #if defined(BUILDING_PERMISSION_REQUEST)
-extern "C" void PERMISSION_PLUGIN_NAME(Request)() {}
+// dummy symbol to be resolved by the linker to force loading of static library
+// (compare -Wl,-u)
+extern "C" void QT_MANGLE_NAMESPACE(PERMISSION_PLUGIN_NAME(Request))() { }
 #endif
 
 // -------------------------------------------------------