diff --git a/Meta/Lagom/Contrib/MacPDF/CMakeLists.txt b/Meta/Lagom/Contrib/MacPDF/CMakeLists.txt
index 1934f3ddcd..20f5b9a7f1 100644
--- a/Meta/Lagom/Contrib/MacPDF/CMakeLists.txt
+++ b/Meta/Lagom/Contrib/MacPDF/CMakeLists.txt
@@ -7,6 +7,8 @@
 set(CMAKE_SKIP_BUILD_RPATH FALSE)
 set(CMAKE_BUILD_WITH_INSTALL_RPATH FALSE)
 
+add_compile_options(-DAK_DONT_REPLACE_STD)
+
 set(RESOURCES
     LagomPDFDocument.xib
     MainMenu.xib