diff --git a/nix/build-all.py b/nix/build-all.py
index 4a8f2729fa..4b87fd2bf6 100644
--- a/nix/build-all.py
+++ b/nix/build-all.py
@@ -1452,7 +1452,7 @@ if "IfcOpenShell-Python" in targets:
     # On OSX the actual Python library is not linked against.
     ADDITIONAL_ARGS = ""
     if platform.system() == "Darwin":
-        ADDITIONAL_ARGS = "-Wl,-flat_namespace,-undefined,suppress"
+        ADDITIONAL_ARGS = "-Wl,-undefined,dynamic_lookup"
 
     if "wasm" in flags:
         ADDITIONAL_ARGS = "-Wl,-undefined,suppress"