diff --git a/gradle.properties b/gradle.properties
index 68626f3..bce16ad 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -9,7 +9,7 @@
 	loader_version=0.14.9
 
 # Mod Properties
-	mod_version = 1.19.2.5
+	mod_version = 1.19.2.6
 	maven_group = de.jottyfan.minecraft
 	archives_base_name = quickiefabric
 
diff --git a/src/main/java/de/jottyfan/minecraft/quickiefabric/blockentity/BlockStackerEntity.java b/src/main/java/de/jottyfan/minecraft/quickiefabric/blockentity/BlockStackerEntity.java
index 476a199..dd18fd7 100644
--- a/src/main/java/de/jottyfan/minecraft/quickiefabric/blockentity/BlockStackerEntity.java
+++ b/src/main/java/de/jottyfan/minecraft/quickiefabric/blockentity/BlockStackerEntity.java
@@ -133,39 +133,26 @@ public class BlockStackerEntity extends BlockEntity implements NamedScreenHandle
 		}
 		Boolean found = false;
 
-		Item matchItem = findNextItem(whiteList, checked);
-		while(!found && matchItem != null) {
-			checked.add(matchItem);
-			List<Item> matchItems = new ArrayList<>();
-			matchItems.add(matchItem);
-			found = transferOneStack(source, dest, matchItems, true, !hasItems(whiteList));
-			matchItem = findNextItem(whiteList, checked);
-		}
-
-		// blacklist behaviour
-		// for all the items that are not in the (already handled) whitelist and not in the blacklist, handle the transport
-		List<Item> ignoreItems = new ArrayList<>();
-		for (ItemStack stack : blackList) {
-			if (stack != null && !stack.isEmpty()) {
-				ignoreItems.add(stack.getItem());
+		if (hasItems(whiteList)) {
+			Item matchItem = findNextItem(whiteList, checked);
+			while(!found && matchItem != null) {
+				checked.add(matchItem);
+				List<Item> matchItems = new ArrayList<>();
+				matchItems.add(matchItem);
+				found = transferOneStack(source, dest, matchItems, true);
+				matchItem = findNextItem(whiteList, checked);
 			}
+		} else {
+			// transport all but the items of the blacklist
+			found = transferOneStack(source, dest, checked, false);
 		}
-		for (ItemStack stack : whiteList) {
-			if (stack != null && !stack.isEmpty()) {
-				ignoreItems.add(stack.getItem());
-			}
-		}
-		if (!found) {
-			found = transferOneStack(source, dest, ignoreItems, false, !hasItems(whiteList));
-		}
-
 		return found;
 	}
 
 	private static final Boolean transferOneStack(LootableContainerBlockEntity source, LootableContainerBlockEntity dest,
-			List<Item> ignoreItems, Boolean whitelist, Boolean emptyWhitelist) {
+			List<Item> ignoreItems, Boolean whitelist) {
 		Boolean result = false;
-		Integer sourceSlot = findItemStackPos(source, ignoreItems, whitelist, emptyWhitelist);
+		Integer sourceSlot = findItemStackPos(source, ignoreItems, whitelist);
 		if (sourceSlot != null && !Items.AIR.equals(source.getStack(sourceSlot).getItem())) {
 			ItemStack sourceStack = source.getStack(sourceSlot);
 			Integer destSlot = findItemStackPos(dest, sourceStack);
@@ -243,7 +230,7 @@ public class BlockStackerEntity extends BlockEntity implements NamedScreenHandle
 		return null;
 	}
 
-	private static final Integer findItemStackPos(LootableContainerBlockEntity lcbe, List<Item> filterItems, Boolean whitelist, Boolean emptyWhitelist) {
+	private static final Integer findItemStackPos(LootableContainerBlockEntity lcbe, List<Item> filterItems, Boolean whitelist) {
 		if (whitelist == null) {
 			whitelist = true;
 			LOGGER.error("whitelist is null");
@@ -251,18 +238,15 @@ public class BlockStackerEntity extends BlockEntity implements NamedScreenHandle
 		if (filterItems == null || filterItems.size() < 1) {
 			if (whitelist) {
 				return null;
-			} else if (emptyWhitelist) {
-				return findItemStackPos(lcbe, false);
 			} else {
-				LOGGER.error("no filter items, but whitelist is not empty");
-				return null;
+				return findItemStackPos(lcbe, false);
 			}
 		} else {
 			Integer counter = lcbe.size();
 			while (counter > 0) {
 				counter--;
 				ItemStack stack = lcbe.getStack(counter);
-				Boolean found = whitelist ? filterItems.contains(stack.getItem()) : (!emptyWhitelist && !filterItems.contains(stack.getItem()));
+				Boolean found = whitelist ? filterItems.contains(stack.getItem()) : !filterItems.contains(stack.getItem());
 				if (found) {
 					return counter;
 				}