diff --git a/tile/powersink/BuildCraft.java b/tile/powersink/BuildCraft.java
index eeb86a51..6b8a4b50 100644
--- a/tile/powersink/BuildCraft.java
+++ b/tile/powersink/BuildCraft.java
@@ -26,11 +26,14 @@ public abstract class BuildCraft extends AERootPoweredTile implements IPowerRece
 			{
 				if ( Loader.isModLoaded( "BuildCraftAPI|power" ) )
 				{
-					IBC bcIntegration = (IBC) AppEng.instance.getIntegration( "BC" );
-					if ( bcIntegration != null )
+					if ( AppEng.instance.isIntegrationEnabled( "BC" ) )
 					{
-						addNewHandler( bcPowerWrapper = bcIntegration.createPerdition( this ) );
-						bcPowerWrapper.configure( 1, 380, 1.0f / 5.0f, 1000 );
+						IBC bcIntegration = (IBC) AppEng.instance.getIntegration( "BC" );
+						if ( bcIntegration != null )
+						{
+							addNewHandler( bcPowerWrapper = bcIntegration.createPerdition( this ) );
+							bcPowerWrapper.configure( 1, 380, 1.0f / 5.0f, 1000 );
+						}
 					}
 				}
 			}
diff --git a/tile/powersink/IC2.java b/tile/powersink/IC2.java
index f55bff82..8ae9e9a2 100644
--- a/tile/powersink/IC2.java
+++ b/tile/powersink/IC2.java
@@ -78,21 +78,27 @@ public abstract class IC2 extends BuildCraft implements IEnergySink
 
 	final private void addToENet()
 	{
-		IIC2 ic2Integration = (IIC2) AppEng.instance.getIntegration( "IC2" );
-		if ( !isInIC2 && Platform.isServer() && ic2Integration != null )
+		if ( AppEng.instance.isIntegrationEnabled( "IC2" ) )
 		{
-			ic2Integration.addToEnergyNet( this );
-			isInIC2 = true;
+			IIC2 ic2Integration = (IIC2) AppEng.instance.getIntegration( "IC2" );
+			if ( !isInIC2 && Platform.isServer() && ic2Integration != null )
+			{
+				ic2Integration.addToEnergyNet( this );
+				isInIC2 = true;
+			}
 		}
 	}
 
 	final private void removeFromENet()
 	{
-		IIC2 ic2Integration = (IIC2) AppEng.instance.getIntegration( "IC2" );
-		if ( isInIC2 && Platform.isServer() && ic2Integration != null )
+		if ( AppEng.instance.isIntegrationEnabled( "IC2" ) )
 		{
-			ic2Integration.removeFromEnergyNet( this );
-			isInIC2 = false;
+			IIC2 ic2Integration = (IIC2) AppEng.instance.getIntegration( "IC2" );
+			if ( isInIC2 && Platform.isServer() && ic2Integration != null )
+			{
+				ic2Integration.removeFromEnergyNet( this );
+				isInIC2 = false;
+			}
 		}
 	}