1 files changed, 3 insertions, 0 deletions
diff --git a/catalog-ui/src/app/ng2/pages/composition/interface-operatons/operation-creator/input-list/input-list-item/input-list-item.component.ts b/catalog-ui/src/app/ng2/pages/composition/interface-operatons/operation-creator/input-list/input-list-item/input-list-item.component.ts
index 21e8363eb8..116b9ebc9d 100644
--- a/catalog-ui/src/app/ng2/pages/composition/interface-operatons/operation-creator/input-list/input-list-item/input-list-item.component.ts
+++ b/catalog-ui/src/app/ng2/pages/composition/interface-operatons/operation-creator/input-list/input-list-item/input-list-item.component.ts
@@ -85,6 +85,9 @@ export class InputListItemComponent implements OnInit {
       this.valueObjRef = this.toscaFunction.value;
       this.isToscaFunction = true;
     }
+    if (this.property.type == PROPERTY_TYPES.JSON) {
+      this.valueObjRef = JSON.stringify(this.valueObjRef);
+    }
   }
 
   ngOnChanges(): void {