diff --git a/eos/effects/structurerigdoomsdaydamageloss.py b/eos/effects/structurerigdoomsdaydamageloss.py
index 3a9b795e9..f2738e136 100644
--- a/eos/effects/structurerigdoomsdaydamageloss.py
+++ b/eos/effects/structurerigdoomsdaydamageloss.py
@@ -1,5 +1,4 @@
 type = "passive"
 def handler(fit, src, context):
-    fit.modules.filteredItemMultiply(lambda mod: mod.item.group.name == "Structure Doomsday Weapon",
-                                     "lightningWeaponDamageLossTarget", src.getModifiedItemAttr("structureRigDoomsdayDamageLossTargetBonus"),
-                                     stackingPenalties=True)
+    fit.modules.filteredItemIncrease(lambda mod: mod.item.group.name == "Structure Doomsday Weapon",
+                                     "lightningWeaponDamageLossTarget", src.getModifiedItemAttr("structureRigDoomsdayDamageLossTargetBonus"))
diff --git a/eos/effects/structurerigdoomsdaytargetamountbonus.py b/eos/effects/structurerigdoomsdaytargetamountbonus.py
index fa5ed9165..d4ce63be5 100644
--- a/eos/effects/structurerigdoomsdaytargetamountbonus.py
+++ b/eos/effects/structurerigdoomsdaytargetamountbonus.py
@@ -1,5 +1,4 @@
 type = "passive"
 def handler(fit, src, context):
     fit.modules.filteredItemIncrease(lambda mod: mod.item.group.name == "Structure Doomsday Weapon",
-                                     "lightningWeaponTargetAmount", src.getModifiedItemAttr("structureRigDoomsdayTargetAmountBonus"),
-                                     stackingPenalties=True)
+                                     "lightningWeaponTargetAmount", src.getModifiedItemAttr("structureRigDoomsdayTargetAmountBonus"))
diff --git a/eos/effects/structurerigmaxtargets.py b/eos/effects/structurerigmaxtargets.py
index 27a99fff9..a0bc8158d 100644
--- a/eos/effects/structurerigmaxtargets.py
+++ b/eos/effects/structurerigmaxtargets.py
@@ -1,3 +1,3 @@
 type = "passive"
 def handler(fit, src, context):
-    fit.ship.filteredItemIncrease("maxLockedTargets", src.getModifiedItemAttr("structureRigMaxTargetBonus"))
+    fit.ship.increaseItemAttr("maxLockedTargets", src.getModifiedItemAttr("structureRigMaxTargetBonus"))
diff --git a/eos/effects/structurerigsensorresolution.py b/eos/effects/structurerigsensorresolution.py
index bc7491908..cfcbf9197 100644
--- a/eos/effects/structurerigsensorresolution.py
+++ b/eos/effects/structurerigsensorresolution.py
@@ -1,4 +1,3 @@
 type = "passive"
 def handler(fit, src, context):
-    fit.ship.filteredItemBoost("scanResolution", src.getModifiedItemAttr("structureRigScanResBonus"),
-                            stackingPenalties=True)
+    fit.ship.boostItemAttr("scanResolution", src.getModifiedItemAttr("structureRigScanResBonus"), stackingPenalties=True)