diff --git a/eos/effects/damagecontrol.py b/eos/effects/damagecontrol.py
index ab02b6e80..2c16548ff 100755
--- a/eos/effects/damagecontrol.py
+++ b/eos/effects/damagecontrol.py
@@ -7,5 +7,6 @@ def handler(fit, module, context):
             bonus = "%s%sDamageResonance" % (attrPrefix, damageType)
             bonus = "%s%s" % (bonus[0].lower(), bonus[1:])
             booster = "%s%sDamageResonance" % (layer, damageType)
+            penalize = False if layer == 'hull' else True
             fit.ship.multiplyItemAttr(bonus, module.getModifiedItemAttr(booster),
-                                      stackingPenalties=True, penaltyGroup="preMul")
+                                      stackingPenalties=penalize, penaltyGroup="preMul")
diff --git a/eos/effects/maraudermodeeffect26.py b/eos/effects/maraudermodeeffect26.py
index 2dcd57192..89d7d4522 100644
--- a/eos/effects/maraudermodeeffect26.py
+++ b/eos/effects/maraudermodeeffect26.py
@@ -9,8 +9,9 @@ def handler(fit, module, context):
             bonus = "%s%sDamageResonance" % (attrPrefix, damageType)
             bonus = "%s%s" % (bonus[0].lower(), bonus[1:])
             booster = "%s%sDamageResonance" % (layer, damageType)
+            penalize = False if layer == 'hull' else True
             fit.ship.multiplyItemAttr(bonus, module.getModifiedItemAttr(booster),
-                                      stackingPenalties=True, penaltyGroup="preMul")
+                                      stackingPenalties=penalize, penaltyGroup="preMul")
 
     # Turrets
     fit.modules.filteredItemBoost(lambda mod: mod.item.requiresSkill("Large Energy Turret") or \