diff --git a/src/main/scala/com/sparkTutorial/sparkSql/HousePriceSolution.scala b/src/main/scala/com/sparkTutorial/sparkSql/HousePriceSolution.scala
index 53a4f9a..dc23774 100644
--- a/src/main/scala/com/sparkTutorial/sparkSql/HousePriceSolution.scala
+++ b/src/main/scala/com/sparkTutorial/sparkSql/HousePriceSolution.scala
@@ -19,7 +19,7 @@ object HousePriceSolution {
 
     realEstate.groupBy("Location")
       .avg(PRICE_SQ_FT)
-      .orderBy("avg(Price SQ Ft)")
+      .orderBy(s"avg(${PRICE_SQ_FT})")
       .show()
   }
 }