diff --git a/frontend/src/component/playground/Playground/PlaygroundForm/PlaygroundCodeFieldset/PlaygroundCodeFieldset.tsx b/frontend/src/component/playground/Playground/PlaygroundForm/PlaygroundCodeFieldset/PlaygroundCodeFieldset.tsx
index a0f93cc0c4..dc42aba023 100644
--- a/frontend/src/component/playground/Playground/PlaygroundForm/PlaygroundCodeFieldset/PlaygroundCodeFieldset.tsx
+++ b/frontend/src/component/playground/Playground/PlaygroundForm/PlaygroundCodeFieldset/PlaygroundCodeFieldset.tsx
@@ -63,7 +63,8 @@ export const PlaygroundCodeFieldset: VFC<IPlaygroundCodeFieldsetProps> = ({
 
                     setFieldExist(
                         contextValue[contextField] !== undefined ||
-                            contextValue?.properties[contextField] !== undefined
+                            contextValue?.properties?.[contextField] !==
+                                undefined
                     );
                 } catch (error: unknown) {
                     return setError(formatUnknownError(error));