diff --git a/pdb-ui/src/main/java/org/lucares/pdbui/CsvToEntryTransformer.java b/pdb-ui/src/main/java/org/lucares/pdbui/CsvToEntryTransformer.java
index 9b56476..c4cd1ff 100644
--- a/pdb-ui/src/main/java/org/lucares/pdbui/CsvToEntryTransformer.java
+++ b/pdb-ui/src/main/java/org/lucares/pdbui/CsvToEntryTransformer.java
@@ -26,9 +26,13 @@ public class CsvToEntryTransformer implements LineToEntryTransformer {
 	public Optional<Entry> toEntry(final String line) throws IOException {
 		Optional<Entry> result;
 		try {
-
+			// For future reference:
+			// Pattern.split is actually faster than StringUtils.splitPreserveAll when the
+			// test runs longer.
+			// It seems that the JIT is compiling StringUtils.splitPreserveAll earlier, but
+			// Pattern.split is ending up getting the faster code in the long run.
 			final String[] columns = splitPattern.split(line);
-			if (columns.length == headers.length && !columns[0].startsWith("@")) {
+			if (columns.length == headers.length && columns[0].length() > 0 && columns[0].charAt(0) != '@') {
 
 				result = createEntry(columns);
 
@@ -52,7 +56,6 @@ public class CsvToEntryTransformer implements LineToEntryTransformer {
 			switch (headers[i]) {
 			case "@timestamp":
 				epochMilli = fastISODateParser.parseAsEpochMilli(columns[i]);
-				;
 				break;
 			case "duration":
 				duration = Long.parseLong(columns[i]);