diff --git a/packages/core/src/Profiles/registerSerializersForValueType.ts b/packages/core/src/Profiles/registerSerializersForValueType.ts
index 1bdc1a33..4bff03ba 100644
--- a/packages/core/src/Profiles/registerSerializersForValueType.ts
+++ b/packages/core/src/Profiles/registerSerializersForValueType.ts
@@ -23,7 +23,7 @@ export function getStringConversionsForValueType({
       label: 'To String',
       in: [valueTypeName],
       out: 'string',
-      exec: (a: any) => values[valueTypeName]?.serialize(a)
+      exec: (a: any) => `${values[valueTypeName]?.serialize(a)}`
     })
   ];
 }