diff --git a/modules/mapper-extras/src/main/java/org/elasticsearch/index/mapper/extras/MatchOnlyTextFieldMapper.java b/modules/mapper-extras/src/main/java/org/elasticsearch/index/mapper/extras/MatchOnlyTextFieldMapper.java
index 500b51415a453..bb9babc14c1bb 100644
--- a/modules/mapper-extras/src/main/java/org/elasticsearch/index/mapper/extras/MatchOnlyTextFieldMapper.java
+++ b/modules/mapper-extras/src/main/java/org/elasticsearch/index/mapper/extras/MatchOnlyTextFieldMapper.java
@@ -168,7 +168,7 @@ public MatchOnlyTextFieldMapper build(MapperBuilderContext context) {
     private static boolean isSyntheticSourceStoredFieldInBinaryFormat(IndexVersion indexCreatedVersion) {
         return indexCreatedVersion.onOrAfter(IndexVersions.MATCH_ONLY_TEXT_STORED_AS_BYTES)
             || indexCreatedVersion.between(
-                IndexVersions.SYNTHETIC_SOURCE_STORE_ARRAYS_NATIVELY_BACKPORT_8_X,
+                IndexVersions.MATCH_ONLY_TEXT_STORED_AS_BYTES_BACKPORT_8_X,
                 IndexVersions.UPGRADE_TO_LUCENE_10_0_0
             );
     }