diff --git a/x-pack/plugin/inference/src/main/java/org/elasticsearch/xpack/inference/mapper/SemanticTextFieldMapper.java b/x-pack/plugin/inference/src/main/java/org/elasticsearch/xpack/inference/mapper/SemanticTextFieldMapper.java
index 8324b121dfc4f..04b51006f9d23 100644
--- a/x-pack/plugin/inference/src/main/java/org/elasticsearch/xpack/inference/mapper/SemanticTextFieldMapper.java
+++ b/x-pack/plugin/inference/src/main/java/org/elasticsearch/xpack/inference/mapper/SemanticTextFieldMapper.java
@@ -449,7 +449,8 @@ private static Mapper.Builder createEmbeddingsField(IndexVersion indexVersionCre
             case TEXT_EMBEDDING -> {
                 DenseVectorFieldMapper.Builder denseVectorMapperBuilder = new DenseVectorFieldMapper.Builder(
                     CHUNKED_EMBEDDINGS_FIELD,
-                    indexVersionCreated
+                    indexVersionCreated,
+                    1
                 );
                 SimilarityMeasure similarity = modelSettings.similarity();
                 if (similarity != null) {