diff --git a/src/main/java/org/opensearch/neuralsearch/processor/DocumentChunkingProcessor.java b/src/main/java/org/opensearch/neuralsearch/processor/DocumentChunkingProcessor.java
index e0575e2b9..7b3bc3024 100644
--- a/src/main/java/org/opensearch/neuralsearch/processor/DocumentChunkingProcessor.java
+++ b/src/main/java/org/opensearch/neuralsearch/processor/DocumentChunkingProcessor.java
@@ -153,8 +153,7 @@ private void validateContent(Object content, String inputField) {
                     );
                 }
             }
-        }
-        if (!(content instanceof String)) {
+        } else if (!(content instanceof String)) {
             throw new IllegalArgumentException(
                 "input field ["
                     + inputField