diff --git a/java/src/main/java/euler/p0019.java b/java/src/main/java/euler/p0019.java
index 423a30ae..19e96ba7 100644
--- a/java/src/main/java/euler/p0019.java
+++ b/java/src/main/java/euler/p0019.java
@@ -31,7 +31,7 @@ public class p0019 implements IEuler {
     public Object answer() {
         byte answer = 0;
         for (short x = 1901; x < 2001; x++) {
-            for (byte y = 0; y < 12; y++) {
+            for (byte y = 1; y < 13; y++) {
                 if (LocalDate.of(x, y, 1).getDayOfWeek() == DayOfWeek.SUNDAY) {
                     answer++;
                 }