diff --git a/mechanical/src/main/scala/resonantinduction/mechanical/energy/grid/TileMechanical.java b/mechanical/src/main/scala/resonantinduction/mechanical/energy/grid/TileMechanical.java
index a2ce2623b..c38854252 100644
--- a/mechanical/src/main/scala/resonantinduction/mechanical/energy/grid/TileMechanical.java
+++ b/mechanical/src/main/scala/resonantinduction/mechanical/energy/grid/TileMechanical.java
@@ -56,10 +56,13 @@ public abstract class TileMechanical extends TileBase implements INodeProvider,
     {
         super.updateEntity();
         mechanicalNode.update();
-        if (mechanicalNode.markRotationUpdate && ticks % 10 == 0)
+        if (!this.getWorldObj().isRemote)
         {
-            sendRotationPacket();
-            mechanicalNode.markRotationUpdate = false;
+            if (mechanicalNode.markRotationUpdate && ticks % 10 == 0)
+            {
+                sendRotationPacket();
+                mechanicalNode.markRotationUpdate = false;
+            }
         }
     }
 
diff --git a/mechanical/src/main/scala/resonantinduction/mechanical/energy/turbine/TurbineNode.java b/mechanical/src/main/scala/resonantinduction/mechanical/energy/turbine/TurbineNode.java
index 09ed94634..840f843ce 100644
--- a/mechanical/src/main/scala/resonantinduction/mechanical/energy/turbine/TurbineNode.java
+++ b/mechanical/src/main/scala/resonantinduction/mechanical/energy/turbine/TurbineNode.java
@@ -22,7 +22,7 @@ public class TurbineNode extends MechanicalNode
     @Override
     public boolean canConnect(ForgeDirection from, Object source)
     {
-        return source instanceof MechanicalNode && !(source instanceof TurbineNode) && from == turbine().getDirection().getOpposite();
+        return turbine().getMultiBlock().isPrimary() && source instanceof MechanicalNode && !(source instanceof TurbineNode) && from == turbine().getDirection().getOpposite();
     }
 
     @Override