diff --git a/hatchet_sdk/clients/admin.py b/hatchet_sdk/clients/admin.py
index 7a4679a7..e35216eb 100644
--- a/hatchet_sdk/clients/admin.py
+++ b/hatchet_sdk/clients/admin.py
@@ -138,9 +138,8 @@ def run_workflow(
 
             try:
                 meta = None if options is None else options.get("additional_metadata")
-                options["additional_metadata"] = (
-                    None if meta is None else json.dumps(meta).encode("utf-8")
-                )
+                if meta is not None:
+                    options["additional_metadata"] = json.dumps(meta).encode("utf-8")
             except json.JSONDecodeError as e:
                 raise ValueError(f"Error encoding payload: {e}")
 
diff --git a/pyproject.toml b/pyproject.toml
index 43073c08..00f04614 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "hatchet-sdk"
-version = "0.23.1"
+version = "0.23.2"
 description = ""
 authors = ["Alexander Belanger <alexander@hatchet.run>"]
 readme = "README.md"