diff --git a/packages/zapp/console/src/components/Launch/LaunchForm/UnionInput.tsx b/packages/zapp/console/src/components/Launch/LaunchForm/UnionInput.tsx
index 27ca281df..edbe21d54 100644
--- a/packages/zapp/console/src/components/Launch/LaunchForm/UnionInput.tsx
+++ b/packages/zapp/console/src/components/Launch/LaunchForm/UnionInput.tsx
@@ -63,7 +63,7 @@ export const UnionInput = (props: InputProps) => {
 
   const listOfSubTypes = typeDefinition?.listOfSubTypes;
 
-  if (!listOfSubTypes) {
+  if (!listOfSubTypes?.length) {
     return <></>;
   }
 
diff --git a/packages/zapp/console/src/components/Launch/LaunchForm/inputHelpers/union.ts b/packages/zapp/console/src/components/Launch/LaunchForm/inputHelpers/union.ts
index 6ceb44153..a8e485a78 100644
--- a/packages/zapp/console/src/components/Launch/LaunchForm/inputHelpers/union.ts
+++ b/packages/zapp/console/src/components/Launch/LaunchForm/inputHelpers/union.ts
@@ -20,7 +20,10 @@ function fromLiteral(literal: Core.ILiteral, inputTypeDefinition: InputTypeDefin
       );
       return { value, typeDefinition: listOfSubTypes[i] } as UnionValue;
     } catch (error) {
-      // do nothing here it's expected to have error
+      // do nothing here. it's expected to have error from fromLiteral
+      // because we loop through all the type to decode the input value
+      // the error should be something like this
+      // new Error(`Failed to extract literal value with path ${path}`);
     }
   }
   throw new Error(t('noMatchingResults'));