diff --git a/skyvern/forge/sdk/db/utils.py b/skyvern/forge/sdk/db/utils.py
index 829bf186..8aa00c1e 100644
--- a/skyvern/forge/sdk/db/utils.py
+++ b/skyvern/forge/sdk/db/utils.py
@@ -303,7 +303,9 @@ def convert_to_workflow_run(
         max_screenshot_scrolls=workflow_run_model.max_screenshot_scrolling_times,
         extra_http_headers=workflow_run_model.extra_http_headers,
         browser_address=workflow_run_model.browser_address,
-        script_run=ScriptRunResponse.model_validate(workflow_run_model.script_run),
+        script_run=ScriptRunResponse.model_validate(workflow_run_model.script_run)
+        if workflow_run_model.script_run
+        else None,
     )