diff --git a/test/JavaTypes.thrift b/test/JavaTypes.thrift
index fcb0ab2..8c733ad 100644
--- a/test/JavaTypes.thrift
+++ b/test/JavaTypes.thrift
@@ -96,3 +96,8 @@
     7: Map somemap,
   ) throws (1:Exception ex);
 }
+
+struct SafeBytes {
+  1: binary bytes;
+}
+
diff --git a/test/Makefile.am b/test/Makefile.am
index 7267066..68f1986 100755
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -155,6 +155,7 @@
 	StressTest.thrift \
 	ThriftTest.thrift \
 	TypedefTest.thrift \
+	UnsafeTypes.thrift \
 	known_failures_Linux.json \
 	test.py \
 	tests.json \
diff --git a/test/UnsafeTypes.thrift b/test/UnsafeTypes.thrift
new file mode 100644
index 0000000..b38c905
--- /dev/null
+++ b/test/UnsafeTypes.thrift
@@ -0,0 +1,24 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+namespace java thrift.test
+
+struct UnsafeBytes {
+  1: binary bytes;
+}