diff --git a/dmp-frontend/src/app/ui/dmp/wizard/listing/dmp-wizard-dataset-listing.component.ts b/dmp-frontend/src/app/ui/dmp/wizard/listing/dmp-wizard-dataset-listing.component.ts
index 4ba2478f5..196132600 100644
--- a/dmp-frontend/src/app/ui/dmp/wizard/listing/dmp-wizard-dataset-listing.component.ts
+++ b/dmp-frontend/src/app/ui/dmp/wizard/listing/dmp-wizard-dataset-listing.component.ts
@@ -28,7 +28,7 @@ export class DmpWizardDatasetListingComponent extends BaseComponent implements O
 	titlePrefix: String;
 	datasets: DatasetListingModel[] = [];
 
-	@Input() dmpId: String;
+	@Input() dmpId: string;
 	@Input() formGroup: FormGroup;
 	selection = new SelectionModel<Element>(true, []);