diff --git a/lib/galaxy/security/object_wrapper.py b/lib/galaxy/security/object_wrapper.py
index 359035aabbe..15352cfa9fd 100644
--- a/lib/galaxy/security/object_wrapper.py
+++ b/lib/galaxy/security/object_wrapper.py
@@ -168,7 +168,9 @@ def wrap_with_safe_string(value, no_wrap_classes=None):
         value_mod = inspect.getmodule(value)
         if value_mod:
             wrapped_class_name = f"{value_mod.__name__}.{wrapped_class_name}"
-        wrapped_class_name = f"SafeStringWrapper({wrapped_class_name}:{','.join(sorted(map(str, no_wrap_classes)))})"
+        wrapped_class_name = (
+            f"SafeStringWrapper__{wrapped_class_name}__{'__'.join(sorted(c.__name__ for c in no_wrap_classes))}"
+        )
         do_wrap_func_name = f"__do_wrap_{wrapped_class_name}"
         do_wrap_func = __do_wrap
         global_dict = globals()