1 files changed, 2 insertions, 1 deletions
diff --git a/src/main/java/gregtech/api/net/GT_Packet_ClientPreference.java b/src/main/java/gregtech/api/net/GT_Packet_ClientPreference.java
index a97cfb207b..5f2549d13c 100644
--- a/src/main/java/gregtech/api/net/GT_Packet_ClientPreference.java
+++ b/src/main/java/gregtech/api/net/GT_Packet_ClientPreference.java
@@ -43,11 +43,12 @@ public class GT_Packet_ClientPreference extends GT_Packet_New {
     @Override
     public void encode(ByteBuf aOut) {
         aOut.writeBoolean(mPreference.isSingleBlockInitialFilterEnabled());
+        aOut.writeBoolean(mPreference.isSingleBlockInitialMultiStackEnabled());
         aOut.writeBoolean(mPreference.isInputBusInitialFilterEnabled());
     }
 
     @Override
     public GT_Packet_New decode(ByteArrayDataInput aData) {
-        return new GT_Packet_ClientPreference(new GT_ClientPreference(aData.readBoolean(), aData.readBoolean()));
+        return new GT_Packet_ClientPreference(new GT_ClientPreference(aData.readBoolean(), aData.readBoolean(), aData.readBoolean()));
     }
 }