diff --git a/src/facilities/incubator/incubatorInteract.js b/src/facilities/incubator/incubatorInteract.js
index 83876c9563d85dc9f60be876ee822a7bca3b1f50..db1c1fbcd2c49b173895d774f7a9215c441be374 100644
--- a/src/facilities/incubator/incubatorInteract.js
+++ b/src/facilities/incubator/incubatorInteract.js
@@ -1310,7 +1310,7 @@ App.UI.incubator = function() {
 			section.append(
 				makePurchase(`Upgrade the growth tanks with surgical extraction tools`, cost, "capEx", {
 					handler: () => {
-						incubator.upgrade('organs', 1);
+						incubator.setUpgrade('organs', 1);
 						refresh();
 					},
 					notes: [`will increase upkeep costs`]