diff --git a/scala-package/examples/src/main/scala/org/apache/mxnetexamples/rnn/BucketIo.scala b/scala-package/examples/src/main/scala/org/apache/mxnetexamples/rnn/BucketIo.scala
index 27e4c932c0e9..75829fa56dbb 100644
--- a/scala-package/examples/src/main/scala/org/apache/mxnetexamples/rnn/BucketIo.scala
+++ b/scala-package/examples/src/main/scala/org/apache/mxnetexamples/rnn/BucketIo.scala
@@ -32,7 +32,7 @@ object BucketIo {
   type ReadContent = String => String
 
   def defaultReadContent(path: String): String = {
-    Source.fromFile(path).mkString.replaceAll("\\. |\n", " <eos> ")
+    Source.fromFile(path, "UTF-8").mkString.replaceAll("\\. |\n", " <eos> ")
   }
 
   def defaultBuildVocab(path: String): Map[String, Int] = {