diff --git a/sql/core/src/main/scala/org/apache/spark/sql/api/r/SQLUtils.scala b/sql/core/src/main/scala/org/apache/spark/sql/api/r/SQLUtils.scala
index 4cd0fdffdc926..6532ae690aea4 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/api/r/SQLUtils.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/api/r/SQLUtils.scala
@@ -39,7 +39,7 @@ private[r] object SQLUtils {
     arr.toSeq
   }
 
-  def createStructType(fields : Seq[StructField]) : StructType = {
+  def createStructType(fields : Seq[StructField]): StructType = {
     StructType(fields)
   }