diff --git a/spark/spark-tensorflow-connector/src/main/scala/org/tensorflow/spark/datasources/tfrecords/serde/DefaultTfRecordRowEncoder.scala b/spark/spark-tensorflow-connector/src/main/scala/org/tensorflow/spark/datasources/tfrecords/serde/DefaultTfRecordRowEncoder.scala
index bae47963..1c10a6b9 100644
--- a/spark/spark-tensorflow-connector/src/main/scala/org/tensorflow/spark/datasources/tfrecords/serde/DefaultTfRecordRowEncoder.scala
+++ b/spark/spark-tensorflow-connector/src/main/scala/org/tensorflow/spark/datasources/tfrecords/serde/DefaultTfRecordRowEncoder.scala
@@ -93,7 +93,7 @@ object DefaultTfRecordRowEncoder extends TfRecordRowEncoder {
         }
       }
       case (structField, index) => structField.dataType match {
-        case ArrayType(ArrayType(_, _), _) | ArrayType(StringType, _) =>
+        case ArrayType(ArrayType(_, _), _) =>
           val featureList = encodeFeatureList(row, structField, index)
           featureLists.putFeatureList(structField.name, featureList)
         case _ =>