diff --git a/src/main/java/com/gregtechceu/gtceu/common/cover/FluidFilterCover.java b/src/main/java/com/gregtechceu/gtceu/common/cover/FluidFilterCover.java
index 757c6b378d..9e15898822 100644
--- a/src/main/java/com/gregtechceu/gtceu/common/cover/FluidFilterCover.java
+++ b/src/main/java/com/gregtechceu/gtceu/common/cover/FluidFilterCover.java
@@ -78,14 +78,14 @@ public FilteredFluidTransferWrapper(IFluidTransfer delegate) {
 
         @Override
         public long fill(int tank, FluidStack resource, boolean simulate, boolean notifyChanges) {
-            if (!fluidFilter.test(resource))
+            if (!getFluidFilter().test(resource))
                 return 0;
             return super.fill(tank, resource, simulate, notifyChanges);
         }
 
         @Override
         public FluidStack drain(int tank, FluidStack resource, boolean simulate, boolean notifyChanges) {
-            if (!fluidFilter.test(resource))
+            if (!getFluidFilter().test(resource))
                 return FluidStack.empty();
             return super.drain(tank, resource, simulate, notifyChanges);
         }
diff --git a/src/main/java/com/gregtechceu/gtceu/common/cover/ItemFilterCover.java b/src/main/java/com/gregtechceu/gtceu/common/cover/ItemFilterCover.java
index b6b8274d64..41f53297fc 100644
--- a/src/main/java/com/gregtechceu/gtceu/common/cover/ItemFilterCover.java
+++ b/src/main/java/com/gregtechceu/gtceu/common/cover/ItemFilterCover.java
@@ -103,7 +103,7 @@ public FilteredItemTransferWrapper(IItemTransfer delegate) {
         @Override
         public @NotNull ItemStack insertItem(int slot, @NotNull ItemStack stack, boolean simulate,
                                              boolean notifyChanges) {
-            if (filterMode != ItemFilterMode.FILTER_EXTRACT && !itemFilter.test(stack))
+            if (filterMode != ItemFilterMode.FILTER_EXTRACT && !getItemFilter().test(stack))
                 return stack;
             return super.insertItem(slot, stack, simulate, notifyChanges);
         }
@@ -111,7 +111,7 @@ public FilteredItemTransferWrapper(IItemTransfer delegate) {
         @Override
         public @NotNull ItemStack extractItem(int slot, int amount, boolean simulate, boolean notifyChanges) {
             ItemStack result = super.extractItem(slot, amount, true, notifyChanges);
-            if (result.isEmpty() || (filterMode != ItemFilterMode.FILTER_INSERT && !itemFilter.test(result))) {
+            if (result.isEmpty() || (filterMode != ItemFilterMode.FILTER_INSERT && !getItemFilter().test(result))) {
                 return ItemStack.EMPTY;
             }
             return simulate ? result : super.extractItem(slot, amount, false, notifyChanges);