diff --git a/eos/effects/systemmissilevelocity.py b/eos/effects/systemmissilevelocity.py
index af1cc379b..858bc26cd 100644
--- a/eos/effects/systemmissilevelocity.py
+++ b/eos/effects/systemmissilevelocity.py
@@ -3,5 +3,5 @@
 runTime = "early"
 type = ("projected", "offline")
 def handler(fit, beacon, context):
-    fit.modules.filteredChargeBoost(lambda mod: mod.charge.requiresSkill("Missile Launcher Operation"),
-                                    "maxVelocity", beacon.getModifiedItemAttr("missileVelocityMultiplier"))
+    fit.modules.filteredChargeMultiply(lambda mod: mod.charge.requiresSkill("Missile Launcher Operation"),
+                                       "maxVelocity", beacon.getModifiedItemAttr("missileVelocityMultiplier"))