diff --git a/src/components/picker/examples/picker-composite.tsx b/src/components/picker/examples/picker-composite.tsx
index 05b56164e1..05d5375626 100644
--- a/src/components/picker/examples/picker-composite.tsx
+++ b/src/components/picker/examples/picker-composite.tsx
@@ -24,7 +24,7 @@ export class PickerCompositeExample {
         helperText: 'My helper text',
         leadingIcon: 'search',
         emptyResultMessage: 'No matches found',
-        delimiter: null,
+        delimiter: '',
         value: [],
         required: false,
         disabled: false,