diff --git a/src/facilities/incubator/incubatorInteract.js b/src/facilities/incubator/incubatorInteract.js
index 0b76972c6e5d2d0e88e07c6c0d5e8a413e291c15..6eca6c3b1c3e749bd5ace140d7cf4143db20b788 100644
--- a/src/facilities/incubator/incubatorInteract.js
+++ b/src/facilities/incubator/incubatorInteract.js
@@ -1532,7 +1532,7 @@ App.UI.incubator = function() {
 					`Upgrade the growth tanks with stimulants injection systems`,
 					() => {
 						cashX(forceNeg(cost), "capEx");
-						V.incubatorUpgradeOrgans = 1;
+						V.incubatorUpgradeGrowthStims = 1;
 						refresh();
 					}
 				)