diff --git a/sql/core/src/main/scala/org/apache/spark/sql/execution/joins/HashJoin.scala b/sql/core/src/main/scala/org/apache/spark/sql/execution/joins/HashJoin.scala
index 3a4196a90d14a..64dd9cf02feb9 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/execution/joins/HashJoin.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/execution/joins/HashJoin.scala
@@ -44,7 +44,7 @@ trait HashJoin {
   override def output: Seq[Attribute] = left.output ++ right.output
 
   @transient protected lazy val buildSideKeyGenerator: Projection =
-    newProjection(buildKeys, buildPlan.output)
+    new InterpretedProjection(buildKeys, buildPlan.output)
 
   @transient protected lazy val streamSideKeyGenerator: () => MutableProjection =
     newMutableProjection(streamedKeys, streamedPlan.output)