diff --git a/src/generated/resources/assets/gtceu/lang/en_ud.json b/src/generated/resources/assets/gtceu/lang/en_ud.json
index 3d77109794..b6a65620c0 100644
--- a/src/generated/resources/assets/gtceu/lang/en_ud.json
+++ b/src/generated/resources/assets/gtceu/lang/en_ud.json
@@ -2020,6 +2020,8 @@
   "cover.robotic_arm.transfer_mode.keep_exact": "ʇɔɐxƎ dǝǝʞ",
   "cover.robotic_arm.transfer_mode.transfer_any": "ʎuⱯ ɹǝɟsuɐɹ⟘",
   "cover.robotic_arm.transfer_mode.transfer_exact": "ʇɔɐxƎ ʎןddnS",
+  "cover.shutter.message.disabled": "ɹǝʇʇnɥs pǝuǝdO",
+  "cover.shutter.message.enabled": "ɹǝʇʇnɥs pǝsoןƆ",
   "cover.storage.title": "ɹǝʌoƆ ǝbɐɹoʇS",
   "cover.tag_filter.info.0": "suoıssǝɹdxǝ xǝןdɯoɔ sʇdǝɔɔⱯq§",
   "cover.tag_filter.info.1": "ᗡNⱯ = &",
diff --git a/src/generated/resources/assets/gtceu/lang/en_us.json b/src/generated/resources/assets/gtceu/lang/en_us.json
index e4cfa86ca5..174ff8db8a 100644
--- a/src/generated/resources/assets/gtceu/lang/en_us.json
+++ b/src/generated/resources/assets/gtceu/lang/en_us.json
@@ -2020,6 +2020,8 @@
   "cover.robotic_arm.transfer_mode.keep_exact": "Keep Exact",
   "cover.robotic_arm.transfer_mode.transfer_any": "Transfer Any",
   "cover.robotic_arm.transfer_mode.transfer_exact": "Supply Exact",
+  "cover.shutter.message.disabled": "Opened shutter",
+  "cover.shutter.message.enabled": "Closed shutter",
   "cover.storage.title": "Storage Cover",
   "cover.tag_filter.info.0": "§bAccepts complex expressions",
   "cover.tag_filter.info.1": "& = AND",
diff --git a/src/main/java/com/gregtechceu/gtceu/common/cover/ShutterCover.java b/src/main/java/com/gregtechceu/gtceu/common/cover/ShutterCover.java
index ce103e774b..e1be88cf33 100644
--- a/src/main/java/com/gregtechceu/gtceu/common/cover/ShutterCover.java
+++ b/src/main/java/com/gregtechceu/gtceu/common/cover/ShutterCover.java
@@ -4,6 +4,7 @@
 import com.gregtechceu.gtceu.api.capability.ICoverable;
 import com.gregtechceu.gtceu.api.cover.CoverBehavior;
 import com.gregtechceu.gtceu.api.cover.CoverDefinition;
+import com.gregtechceu.gtceu.api.transfer.fluid.IFluidHandlerModifiable;
 
 import com.lowdragmc.lowdraglib.syncdata.annotation.Persisted;
 import com.lowdragmc.lowdraglib.syncdata.field.ManagedFieldHolder;
@@ -15,10 +16,12 @@
 import net.minecraft.world.InteractionResult;
 import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.phys.BlockHitResult;
+import net.minecraftforge.items.IItemHandlerModifiable;
 
 import lombok.Getter;
 import lombok.Setter;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 import javax.annotation.ParametersAreNonnullByDefault;
 
@@ -59,6 +62,16 @@ public InteractionResult onSoftMalletClick(Player playerIn, InteractionHand hand
         return InteractionResult.SUCCESS;
     }
 
+    @Override
+    public @Nullable IItemHandlerModifiable getItemHandlerCap(IItemHandlerModifiable defaultValue) {
+        return isWorkingEnabled() ? null : super.getItemHandlerCap(defaultValue);
+    }
+
+    @Override
+    public @Nullable IFluidHandlerModifiable getFluidHandlerCap(IFluidHandlerModifiable defaultValue) {
+        return isWorkingEnabled() ? null : super.getFluidHandlerCap(defaultValue);
+    }
+
     @Override
     public ManagedFieldHolder getFieldHolder() {
         return MANAGED_FIELD_HOLDER;
diff --git a/src/main/java/com/gregtechceu/gtceu/data/lang/LangHandler.java b/src/main/java/com/gregtechceu/gtceu/data/lang/LangHandler.java
index 12b4af22d0..64aa69cab7 100644
--- a/src/main/java/com/gregtechceu/gtceu/data/lang/LangHandler.java
+++ b/src/main/java/com/gregtechceu/gtceu/data/lang/LangHandler.java
@@ -470,6 +470,8 @@ public static void init(RegistrateLangProvider provider) {
                 "Output: Normal\n\n" + advancedItemDetectorInvertDescription);
         provider.add("cover.advanced_item_detector.max", "Max Items");
         provider.add("cover.advanced_item_detector.min", "Min Items");
+        provider.add("cover.shutter.message.enabled", "Closed shutter");
+        provider.add("cover.shutter.message.disabled", "Opened shutter");
 
         replace(provider, "item.gtceu.bucket", "%s Bucket");
         replace(provider, GTMaterials.FullersEarth.getUnlocalizedName(), "Fuller's Earth");