diff --git a/eos/effects/boostermissilevelocitypenalty.py b/eos/effects/boostermissilevelocitypenalty.py
index a472673f5..c18a39346 100644
--- a/eos/effects/boostermissilevelocitypenalty.py
+++ b/eos/effects/boostermissilevelocitypenalty.py
@@ -14,4 +14,4 @@ attr = "boosterMissileVelocityPenalty"
 
 def handler(fit, booster, context):
     fit.modules.filteredChargeBoost(lambda mod: mod.charge.requiresSkill("Missile Launcher Operation"),
-                                    "maxVelocity", attr)
+                                    "maxVelocity", booster.getModifiedItemAttr(attr))