diff --git a/parts/networking/PartQuartzFiber.java b/parts/networking/PartQuartzFiber.java
index 8f3e62e3..6bd5e3e7 100644
--- a/parts/networking/PartQuartzFiber.java
+++ b/parts/networking/PartQuartzFiber.java
@@ -37,6 +37,8 @@ public class PartQuartzFiber extends AEBasePart implements IEnergyGridProvider
 		super( PartQuartzFiber.class, is );
 		proxy.setIdlePowerUsage( 0 );
 		proxy.setFlags( GridFlags.CANNOT_CARRY );
+		outerProxy.setIdlePowerUsage( 0 );
+		outerProxy.setFlags( GridFlags.CANNOT_CARRY );
 	}
 
 	@Override