diff --git a/yarn/common/src/main/scala/org/apache/spark/deploy/yarn/ClientBase.scala b/yarn/common/src/main/scala/org/apache/spark/deploy/yarn/ClientBase.scala
index eb95d784318eaf4a8bc2f62563be4d60f39e4358..f2be8217a2f8ab00ac2d1082685a055a8391da1a 100644
--- a/yarn/common/src/main/scala/org/apache/spark/deploy/yarn/ClientBase.scala
+++ b/yarn/common/src/main/scala/org/apache/spark/deploy/yarn/ClientBase.scala
@@ -60,10 +60,10 @@ trait ClientBase extends Logging {
 
   // Staging directory is private! -> rwx--------
   val STAGING_DIR_PERMISSION: FsPermission =
-    FsPermission.createImmutable(Integer.parseInt("700", 8): Short)
+    FsPermission.createImmutable(Integer.parseInt("700", 8).toShort)
   // App files are world-wide readable and owner writable -> rw-r--r--
   val APP_FILE_PERMISSION: FsPermission =
-    FsPermission.createImmutable(Integer.parseInt("644", 8): Short)
+    FsPermission.createImmutable(Integer.parseInt("644", 8).toShort)
 
   // TODO(harvey): This could just go in ClientArguments.
   def validateArgs() = {