diff --git a/eos/effects/damagecontrol.py b/eos/effects/damagecontrol.py
index 05589e15a..f563fac03 100644
--- a/eos/effects/damagecontrol.py
+++ b/eos/effects/damagecontrol.py
@@ -11,6 +11,5 @@ 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=penalize, penaltyGroup="preMul")
+                                      stackingPenalties=True, penaltyGroup="preMul")
diff --git a/eos/effects/emergencyhullenergizer.py b/eos/effects/emergencyhullenergizer.py
index 8a281f74c..c2de4f4f5 100644
--- a/eos/effects/emergencyhullenergizer.py
+++ b/eos/effects/emergencyhullenergizer.py
@@ -8,4 +8,6 @@ runtime = "late"
 
 def handler(fit, src, context):
     for dmgType in ('em', 'thermal', 'kinetic', 'explosive'):
-        fit.ship.forceItemAttr('{}DamageResonance'.format(dmgType), src.getModifiedItemAttr("hull{}DamageResonance".format(dmgType.title())))
+        fit.ship.multiplyItemAttr('{}DamageResonance'.format(dmgType),
+                                  src.getModifiedItemAttr("hull{}DamageResonance".format(dmgType.title())),
+                                  stackingPenalties=True, penaltyGroup="postMul")