diff --git a/google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1/JsonToProtoMessage.java b/google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1/JsonToProtoMessage.java
index d891fbf972..91a432c258 100644
--- a/google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1/JsonToProtoMessage.java
+++ b/google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1/JsonToProtoMessage.java
@@ -124,7 +124,7 @@ private static DynamicMessage convertJsonToProtoMessageImpl(
       if (tableSchema != null) {
         // protoSchema is generated from tableSchema so their field ordering should match.
         fieldSchema = tableSchema.get(field.getIndex());
-        if (!fieldSchema.getName().equals(field.getName())) {
+        if (!fieldSchema.getName().toLowerCase().equals(field.getName())) {
           throw new ValidationException(
               "Field at index "
                   + field.getIndex()
diff --git a/google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1beta2/JsonToProtoMessage.java b/google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1beta2/JsonToProtoMessage.java
index 7a66927486..7d07130233 100644
--- a/google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1beta2/JsonToProtoMessage.java
+++ b/google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1beta2/JsonToProtoMessage.java
@@ -123,7 +123,7 @@ private static DynamicMessage convertJsonToProtoMessageImpl(
       if (tableSchema != null) {
         // protoSchema is generated from tableSchema so their field ordering should match.
         fieldSchema = tableSchema.get(field.getIndex());
-        if (!fieldSchema.getName().equals(field.getName())) {
+        if (!fieldSchema.getName().toLowerCase().equals(field.getName())) {
           throw new ValidationException(
               "Field at index "
                   + field.getIndex()