2 files changed, 11 insertions, 1 deletions
diff --git a/src/main/java/gregtech/api/metatileentity/BaseMetaTileEntity.java b/src/main/java/gregtech/api/metatileentity/BaseMetaTileEntity.java
index cfb34eb34e..f5bcf8bfbd 100644
--- a/src/main/java/gregtech/api/metatileentity/BaseMetaTileEntity.java
+++ b/src/main/java/gregtech/api/metatileentity/BaseMetaTileEntity.java
@@ -843,8 +843,16 @@ public class BaseMetaTileEntity extends BaseTileEntity implements IGregTechTileE
         if (isValidFacing(aFacing)) {
             mFacing = aFacing;
             mMetaTileEntity.onFacingChange();
-            onMachineBlockUpdate();
+
             doEnetUpdate();
+            
+            if (mMetaTileEntity.shouldTriggerBlockUpdate()) {
+                // If we're triggering a block update this will call onMachineBlockUpdate()
+                GregTech_API.causeMachineUpdate(worldObj, xCoord, yCoord, zCoord);
+            } else {
+                // If we're not trigger a cascading one, call the update here.
+                onMachineBlockUpdate();
+            }
         }
     }
 
diff --git a/src/main/java/gregtech/api/metatileentity/MetaTileEntity.java b/src/main/java/gregtech/api/metatileentity/MetaTileEntity.java
index d08a8d9da5..d873627e21 100644
--- a/src/main/java/gregtech/api/metatileentity/MetaTileEntity.java
+++ b/src/main/java/gregtech/api/metatileentity/MetaTileEntity.java
@@ -933,4 +933,6 @@ public abstract class MetaTileEntity implements IMetaTileEntity {
     }
 
     public boolean shouldJoinIc2Enet() { return false; }
+    
+    public boolean shouldTriggerBlockUpdate() { return false; }
 }