diff --git a/common/src/main/java/org/opensearch/ml/common/connector/functions/preprocess/MultiModalEmbeddingPreProcessFunction.java b/common/src/main/java/org/opensearch/ml/common/connector/functions/preprocess/MultiModalEmbeddingPreProcessFunction.java
index 19ce98f1b7..b6d4e0d163 100644
--- a/common/src/main/java/org/opensearch/ml/common/connector/functions/preprocess/MultiModalEmbeddingPreProcessFunction.java
+++ b/common/src/main/java/org/opensearch/ml/common/connector/functions/preprocess/MultiModalEmbeddingPreProcessFunction.java
@@ -28,7 +28,7 @@ public void validate(MLInput mlInput) {
 
     // The input will must have inputText even it's null, input image is optional.
     @Override
-    public RemoteInferenceInputDataSet process(MLInput mlInput) {
+    public RemoteInferenceInputDataSet process(final MLInput mlInput) {
         TextDocsInputDataSet inputData = (TextDocsInputDataSet) mlInput.getInputDataset();
         if (inputData.getDocs().size() == 1) {
             return RemoteInferenceInputDataSet.builder().parameters(convertScriptStringToJsonString(Map.of("parameters", Map.of("inputText", inputData.getDocs().get(0))))).build();