diff --git a/src/main/java/dev/morling/onebrc/CalculateAverage_ashikur2146.java b/src/main/java/dev/morling/onebrc/CalculateAverage_ashikur2146.java
index 8e7803b6f..20a83dc3c 100644
--- a/src/main/java/dev/morling/onebrc/CalculateAverage_ashikur2146.java
+++ b/src/main/java/dev/morling/onebrc/CalculateAverage_ashikur2146.java
@@ -27,7 +27,7 @@ public static void main(String[] args) {
     private static Map<String, TemperatureStats> processFile(String filePath) throws IOException {
         try {
             Path path = Paths.get(filePath);
-            return Files.lines(path).parallel().map(line -> line.split(";")).filter(parts -> parts.length == 2)
+            return Files.lines(path).map(line -> line.split(";")).parallel().filter(parts -> parts.length == 2)
 					.collect(Collectors.groupingByConcurrent(parts -> parts[0],
 							Collectors.mapping(parts -> new TemperatureStats(Double.parseDouble(parts[1])),
 									Collectors.reducing(TemperatureStats::merge))))