diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0842b97deb..38eee39bbf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@ Version: 1.1.4.b
 ### ADDITIONS:
 
 ### FIXES:
+- fixed client error when opening multiblock UI for the first time
 - fixed Large assembler & circuit assembler being able to have >1 energy hatch
 - fix server crash in LDlib
 
diff --git a/src/main/java/com/gregtechceu/gtceu/api/machine/feature/multiblock/IDisplayUIMachine.java b/src/main/java/com/gregtechceu/gtceu/api/machine/feature/multiblock/IDisplayUIMachine.java
index cf3477ebfc..522ba3afb5 100644
--- a/src/main/java/com/gregtechceu/gtceu/api/machine/feature/multiblock/IDisplayUIMachine.java
+++ b/src/main/java/com/gregtechceu/gtceu/api/machine/feature/multiblock/IDisplayUIMachine.java
@@ -41,6 +41,7 @@ default ModularUI createUI(Player entityPlayer) {
         var screen = new DraggableScrollableWidgetGroup(7, 4, 162, 121).setBackground(getScreenTexture());
         screen.addWidget(new LabelWidget(4, 5, self().getBlockState().getBlock().getDescriptionId()));
         screen.addWidget(new ComponentPanelWidget(4, 17, this::addDisplayText)
+                .textSupplier(this.self().getLevel().isClientSide ? null : this::addDisplayText)
                 .setMaxWidthLimit(150)
                 .clickHandler(this::handleDisplayClick));
         return new ModularUI(176, 216, this, entityPlayer)
diff --git a/src/main/java/com/gregtechceu/gtceu/api/machine/multiblock/WorkableElectricMultiblockMachine.java b/src/main/java/com/gregtechceu/gtceu/api/machine/multiblock/WorkableElectricMultiblockMachine.java
index 5c227a2455..32c6db6642 100644
--- a/src/main/java/com/gregtechceu/gtceu/api/machine/multiblock/WorkableElectricMultiblockMachine.java
+++ b/src/main/java/com/gregtechceu/gtceu/api/machine/multiblock/WorkableElectricMultiblockMachine.java
@@ -20,10 +20,8 @@
 import com.gregtechceu.gtceu.utils.GTUtil;
 import com.lowdragmc.lowdraglib.gui.modular.ModularUI;
 import com.lowdragmc.lowdraglib.gui.widget.*;
-import net.minecraft.ChatFormatting;
 import net.minecraft.MethodsReturnNonnullByDefault;
 import net.minecraft.network.chat.Component;
-import net.minecraft.network.chat.Style;
 import net.minecraft.world.entity.player.Player;
 
 import javax.annotation.ParametersAreNonnullByDefault;
@@ -97,6 +95,7 @@ public Widget createUIWidget() {
         group.addWidget(new DraggableScrollableWidgetGroup(4, 4, 182, 117).setBackground(getScreenTexture())
                 .addWidget(new LabelWidget(4, 5, self().getBlockState().getBlock().getDescriptionId()))
                 .addWidget(new ComponentPanelWidget(4, 17, this::addDisplayText)
+                        .textSupplier(this.getLevel().isClientSide ? null : this::addDisplayText)
                         .setMaxWidthLimit(150)
                         .clickHandler(this::handleDisplayClick)));
         group.setBackground(GuiTextures.BACKGROUND_INVERSE);
@@ -146,7 +145,9 @@ public void setOverclockTier(int tier) {
 
     @Override
     public long getOverclockVoltage() {
-        IEnergyContainer energyContainer = this.energyContainer;
+        if (this.energyContainer == null) {
+            this.energyContainer = getEnergyContainer();
+        }
         if (energyContainer instanceof EnergyContainerList) {
             long voltage;
             long amperage;
@@ -208,7 +209,6 @@ public IEnergyContainer getEnergyContainer() {
     }
 
     public long getMaxVoltage() {
-        IEnergyContainer energyContainer = this.energyContainer;
         if (this.energyContainer == null) {
             this.energyContainer = getEnergyContainer();
         }