diff --git a/src/main/java/de/extio/lmdatasetprep/preparer/MergeJsonl.java b/src/main/java/de/extio/lmdatasetprep/preparer/MergeJsonl.java
index d3decc4..193e448 100644
--- a/src/main/java/de/extio/lmdatasetprep/preparer/MergeJsonl.java
+++ b/src/main/java/de/extio/lmdatasetprep/preparer/MergeJsonl.java
@@ -24,26 +24,28 @@ public class MergeJsonl implements Consumer<String[]>, DatasetTool {
 	@Override
 	public void accept(final String[] args) {
 		if (args.length < 3) {
-			LOGGER.error("Arguments are missing. <Path to jsonl files> <Path to output dir>");
+			LOGGER.error("Arguments are missing. <Path to output dir> [ <Path to jsonl files>, ... ]");
 			return;
 		}
 		
 		final List<String> lines = Collections.synchronizedList(new ArrayList<>());
-		Utils.transformDirectory(args[1], p -> {
-			return List.of(() -> {
-				try {
-					lines.addAll(Files.readAllLines(p));
-				}
-				catch (final IOException e) {
-					throw new RuntimeException("Cannot read file", e);
-				}
-				
+		for (int i = 2; i < args.length; i++) {
+			Utils.transformDirectory(args[i], p -> {
+				return List.of(() -> {
+					try {
+						lines.addAll(Files.readAllLines(p));
+					}
+					catch (final IOException e) {
+						throw new RuntimeException("Cannot read file", e);
+					}
+					
+				});
 			});
-		});
+		}
 		
 		Collections.shuffle(lines, ThreadLocalRandom.current());
 		
-		final Path out = Path.of(args[2], "dataset-merged.jsonl");
+		final Path out = Path.of(args[1], "dataset-merged.jsonl");
 		try (var fos = Files.newOutputStream(out)) {
 			for (final String line : lines) {
 				fos.write(line.getBytes(StandardCharsets.UTF_8));