diff --git a/src/main/java/ftbsc/lll/mapper/writer/MappingWriter.java b/src/main/java/ftbsc/lll/mapper/writer/MappingWriter.java
index f5f7b10..2cc8007 100644
--- a/src/main/java/ftbsc/lll/mapper/writer/MappingWriter.java
+++ b/src/main/java/ftbsc/lll/mapper/writer/MappingWriter.java
@@ -21,60 +21,57 @@ public class MappingWriter {
 	/**
 	 * The main function, must be passed exactly two arguments
 	 * @param args the command line arguments
-	 * @throws IOException if something goes wrong
+	 * @throws IOException if something goes wrong while writing the file
+	 * @throws ParseException if something goes wrong while parsin arguments
 	 */
 	public static void main(String[] args) throws IOException, ParseException {
-		try {
-			Options options = new Options()
-				.addOption("r", "reverse", false, "Writes down inverted mappings");
-			DefaultParser parser = new DefaultParser();
-			CommandLine cmdLine = parser.parse(options, args);
-			args = cmdLine.getArgs();
+		Options options = new Options()
+			.addOption("r", "reverse", false, "Writes down inverted mappings");
+		DefaultParser parser = new DefaultParser();
+		CommandLine cmdLine = parser.parse(options, args);
+		args = cmdLine.getArgs();
 
-			if(args.length != 3) {
-				System.err.println("Bad argument count!");
-				System.err.println("java -jar mapping-writer.jar [-r] <location> <format> <output>");
-				return;
-			}
-
-			//load the mapper
-			List<String> lines = MapperProvider.fetchFromLocalOrRemote(args[0]);
-			IMapper mapper = MapperProvider.getMapper(lines);
-			mapper.populate(lines, false);
-			if(cmdLine.hasOption("reverse"))
-				mapper = mapper.getInverted();
-
-			//load the writers
-			Map<String, IWriter> writerMap = new HashMap<>();
-			for(IWriter w : ServiceLoader.load(IWriter.class))
-				writerMap.put(w.uniqueId(), w);
-
-			//get the one we need
-			IWriter writer = writerMap.get(args[1]);
-			if(writer == null) {
-				System.err.printf("%s was not recognised as a valid format!", args[1]);
-				return;
-			}
-
-			//now for the file
-			File targetFile = new File(args[2]);
-
-			if(!targetFile.createNewFile()) {
-				System.out.println("File already exists!");
-				return;
-			}
-
-			if(!targetFile.canWrite()) {
-				System.out.println("Failed to write to file: access denied.");
-				return;
-			}
-
-			//call the writer
-			PrintWriter printWriter = new PrintWriter(new FileWriter(targetFile));
-			writer.write(mapper, printWriter);
-			printWriter.close();
-		} catch(ParseException ex) {
-			ex.printStackTrace();
+		if(args.length != 3) {
+			System.err.println("Bad argument count!");
+			System.err.println("java -jar mapping-writer.jar [-r] <location> <format> <output>");
+			return;
 		}
+
+		//load the mapper
+		List<String> lines = MapperProvider.fetchFromLocalOrRemote(args[0]);
+		IMapper mapper = MapperProvider.getMapper(lines);
+		mapper.populate(lines, false);
+		if(cmdLine.hasOption("reverse"))
+			mapper = mapper.getInverted();
+
+		//load the writers
+		Map<String, IWriter> writerMap = new HashMap<>();
+		for(IWriter w : ServiceLoader.load(IWriter.class))
+			writerMap.put(w.uniqueId(), w);
+
+		//get the one we need
+		IWriter writer = writerMap.get(args[1]);
+		if(writer == null) {
+			System.err.printf("%s was not recognised as a valid format!", args[1]);
+			return;
+		}
+
+		//now for the file
+		File targetFile = new File(args[2]);
+
+		if(!targetFile.createNewFile()) {
+			System.out.println("File already exists!");
+			return;
+		}
+
+		if(!targetFile.canWrite()) {
+			System.out.println("Failed to write to file: access denied.");
+			return;
+		}
+
+		//call the writer
+		PrintWriter printWriter = new PrintWriter(new FileWriter(targetFile));
+		writer.write(mapper, printWriter);
+		printWriter.close();
 	}
 }