diff --git a/core/Registration.java b/core/Registration.java
index 42015c6c..db40aa76 100644
--- a/core/Registration.java
+++ b/core/Registration.java
@@ -472,6 +472,9 @@ public class Registration
 		Upgrades.FUZZY.registerItem( AEApi.instance().items().itemCell64k.stack( 1 ), 1 );
 		Upgrades.INVERTER.registerItem( AEApi.instance().items().itemCell64k.stack( 1 ), 1 );
 
+		Upgrades.FUZZY.registerItem( AEApi.instance().items().itemPortableCell.stack( 1 ), 1 );
+		Upgrades.INVERTER.registerItem( AEApi.instance().items().itemPortableCell.stack( 1 ), 1 );
+
 		// partStorageBus
 		Upgrades.FUZZY.registerItem( AEApi.instance().parts().partStorageBus.stack( 1 ), 1 );
 		Upgrades.INVERTER.registerItem( AEApi.instance().parts().partStorageBus.stack( 1 ), 1 );