diff --git a/source/common/protobuf/utility.cc b/source/common/protobuf/utility.cc
index 3c93c42992d34..966a2fdbf0596 100644
--- a/source/common/protobuf/utility.cc
+++ b/source/common/protobuf/utility.cc
@@ -49,7 +49,9 @@ ProtoValidationException::ProtoValidationException(const std::string& validation
 }
 
 void MessageUtil::loadFromJson(const std::string& json, Protobuf::Message& message) {
-  const auto status = Protobuf::util::JsonStringToMessage(json, &message);
+  Protobuf::util::JsonParseOptions options;
+  options.ignore_unknown_fields = true;
+  const auto status = Protobuf::util::JsonStringToMessage(json, &message, options);
   if (!status.ok()) {
     throw EnvoyException("Unable to parse JSON as proto (" + status.ToString() + "): " + json);
   }
diff --git a/test/common/protobuf/utility_test.cc b/test/common/protobuf/utility_test.cc
index 92dd351b53b0b..e7f5ee34fd402 100644
--- a/test/common/protobuf/utility_test.cc
+++ b/test/common/protobuf/utility_test.cc
@@ -211,6 +211,12 @@ TEST(UtilityTest, JsonConvertSuccess) {
   EXPECT_EQ(42, dest_duration.seconds());
 }
 
+TEST(UtilityTest, JsonConvertUnknownFieldSuccess) {
+  const ProtobufWkt::Struct obj = MessageUtil::keyValueStruct("test_key", "test_value");
+  envoy::config::bootstrap::v2::Bootstrap bootstrap;
+  EXPECT_NO_THROW(MessageUtil::jsonConvert(obj, bootstrap));
+}
+
 TEST(UtilityTest, JsonConvertFail) {
   ProtobufWkt::Duration source_duration;
   source_duration.set_seconds(-281474976710656);