diff --git a/modules/ingest-common/src/main/java/org/elasticsearch/ingest/common/DateFormat.java b/modules/ingest-common/src/main/java/org/elasticsearch/ingest/common/DateFormat.java
index a2bafd47d89f1..76ad37bbe60b5 100644
--- a/modules/ingest-common/src/main/java/org/elasticsearch/ingest/common/DateFormat.java
+++ b/modules/ingest-common/src/main/java/org/elasticsearch/ingest/common/DateFormat.java
@@ -109,7 +109,7 @@ Function<String, ZonedDateTime> getFunction(String format, ZoneId zoneId, Locale
                 // fill the rest of the date up with the parsed date
                 if (accessor.isSupported(ChronoField.YEAR) == false
                     && accessor.isSupported(ChronoField.YEAR_OF_ERA) == false
-                    && accessor.isSupported(WeekFields.of(locale).weekOfWeekBasedYear()) == false) {
+                    && accessor.isSupported(WeekFields.of(locale).weekBasedYear()) == false) {
                     int year = LocalDate.now(ZoneOffset.UTC).getYear();
                     ZonedDateTime newTime = Instant.EPOCH.atZone(ZoneOffset.UTC).withYear(year);
                     for (ChronoField field : FIELDS) {
diff --git a/modules/ingest-common/src/test/java/org/elasticsearch/ingest/common/DateFormatTests.java b/modules/ingest-common/src/test/java/org/elasticsearch/ingest/common/DateFormatTests.java
index 518ac20cec724..e68e2a79b5f6f 100644
--- a/modules/ingest-common/src/test/java/org/elasticsearch/ingest/common/DateFormatTests.java
+++ b/modules/ingest-common/src/test/java/org/elasticsearch/ingest/common/DateFormatTests.java
@@ -69,14 +69,22 @@ public void testParseJavaDefaultYear() {
         assertThat(dateTime.getYear(), is(year));
     }
 
-    public void testParseWeekBased() {
-        String format = randomFrom("YYYY-ww");
+    public void testParseWeekBasedYearAndWeek() {
+        String format = "YYYY-ww";
         ZoneId timezone = DateUtils.of("Europe/Amsterdam");
         Function<String, ZonedDateTime> javaFunction = DateFormat.Java.getFunction(format, timezone, Locale.ROOT);
         ZonedDateTime dateTime = javaFunction.apply("2020-33");
         assertThat(dateTime, equalTo(ZonedDateTime.of(2020,8,10,0,0,0,0,timezone)));
     }
 
+    public void testParseWeekBasedYear() {
+        String format = "YYYY";
+        ZoneId timezone = DateUtils.of("Europe/Amsterdam");
+        Function<String, ZonedDateTime> javaFunction = DateFormat.Java.getFunction(format, timezone, Locale.ROOT);
+        ZonedDateTime dateTime = javaFunction.apply("2019");
+        assertThat(dateTime, equalTo(ZonedDateTime.of(2018,12,31,0,0,0,0,timezone)));
+    }
+
     public void testParseWeekBasedWithLocale() {
         String format = randomFrom("YYYY-ww");
         ZoneId timezone = DateUtils.of("Europe/Amsterdam");