diff --git a/strange_eons_to_arkhamdb.js b/strange_eons_to_arkhamdb.js
index b6abb89..3a011f4 100644
--- a/strange_eons_to_arkhamdb.js
+++ b/strange_eons_to_arkhamdb.js
@@ -166,10 +166,18 @@ function build_card(component) {
 
   var faction = component.settings.get('CardClass');
   if (faction) {
-    card_data.faction_code = String(faction).toLowerCase();
-    var faction2 = component.settings.get('CardClass2');
-    if (faction2 && faction2 != 'None') {
-      card_data.faction2_code = String(faction2).toLowerCase();
+    if (faction == 'Weakness') {
+      card_data.subtype_code = "weakness";
+    }
+    else if (faction == 'Basic Weakness') {
+      card_data.subtype_code = "basicweakness";
+    }
+    else {
+      card_data.faction_code = String(faction).toLowerCase();
+      var faction2 = component.settings.get('CardClass2');
+      if (faction2 && faction2 != 'None') {
+        card_data.faction2_code = String(faction2).toLowerCase();
+      }
     }
   }