diff --git a/frontend/src/rete/nodes/action.ts b/frontend/src/rete/nodes/action.ts
index 848d47ab..d9353456 100644
--- a/frontend/src/rete/nodes/action.ts
+++ b/frontend/src/rete/nodes/action.ts
@@ -68,7 +68,7 @@ export class ActionNode
     )
     this.addControl(
       "quantity",
-      new Classic.InputControl("number", { initial: initialQuantity, change: changeQuantity })
+      new Classic.InputControl("number", { initial: initialQuantity || 1, change: changeQuantity })
     )
   }