diff --git a/meson.build b/meson.build
index fa03f40..ef6579f 100644
--- a/meson.build
+++ b/meson.build
@@ -90,4 +90,5 @@ _incdirs += [include_directories('CppCore')]
 subdir('CppCore')
 potlib_dep = declare_dependency(include_directories: _incdirs,
                                 link_with: _linkto,
+                                cpp_args: _args,
                                 dependencies: _deps)