diff --git a/modules/pegasus-actor.js b/modules/pegasus-actor.js
index 041383a..8292c3f 100644
--- a/modules/pegasus-actor.js
+++ b/modules/pegasus-actor.js
@@ -1922,9 +1922,14 @@ export class PegasusActor extends Actor {
   /* -------------------------------------------- */
   processSizeBonus(rollData) {
     if (rollData.defenderTokenId) {
-      this.system.biodata.sizenum = this.system.biodata?.sizenum?? 0
-      this.system.biodata.sizebonus = this.system.biodata?.sizebonus?? 0
-      let diffSize = rollData.defenderSize - this.system.biodata.sizenum + this.system.biodata.sizebonus
+      let diffSize = 0
+      if ( this.type == "character") { 
+        this.system.biodata.sizenum = this.system.biodata?.sizenum?? 0
+        this.system.biodata.sizebonus = this.system.biodata?.sizebonus?? 0
+        diffSize = rollData.defenderSize - this.system.biodata.sizenum + this.system.biodata.sizebonus
+      } else {
+        diffSize = rollData.defenderSize - this.system.statistics.hr.size
+      }
       //console.log("Diffsize", diffSize)
       if (rollData.subKey == "melee-atk" || rollData.subKey == "ranged-atk") {
         if (diffSize > 0) {