diff --git a/eos/effects/capacityaddpassive.py b/eos/effects/capacityaddpassive.py
index 2a858cc14..8d7ee24bd 100644
--- a/eos/effects/capacityaddpassive.py
+++ b/eos/effects/capacityaddpassive.py
@@ -7,4 +7,4 @@ type = "passive"
 
 
 def handler(fit, subsystem, context):
-    fit.ship.increaseItemAttr("capacity", subsystem.getModifiedItemAttr("capacity") or 0)
+    fit.ship.increaseItemAttr("capacity", subsystem.getModifiedItemAttr("cargoCapacityAdd") or 0)