diff --git a/eos/gamedata.py b/eos/gamedata.py
index 4dda3eed2..2fef7a8b6 100644
--- a/eos/gamedata.py
+++ b/eos/gamedata.py
@@ -490,7 +490,7 @@ class Item(EqBase):
 
     @property
     def isModule(self):
-        return self.category.name == 'Module'
+        return self.category.name in ('Module', 'Structure Module')
 
     @property
     def isSubsystem(self):