diff --git a/sql/core/src/main/scala/org/apache/spark/sql/execution/joins/SortMergeJoinExec.scala b/sql/core/src/main/scala/org/apache/spark/sql/execution/joins/SortMergeJoinExec.scala
index f4b9d132122e..d7d3f6d6078b 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/execution/joins/SortMergeJoinExec.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/execution/joins/SortMergeJoinExec.scala
@@ -494,7 +494,7 @@ case class SortMergeJoinExec(
          |        $leftRow = null;
          |      } else {
          |        $matches.add((UnsafeRow) $rightRow);
-         |        $rightRow = null;;
+         |        $rightRow = null;
          |      }
          |    } while ($leftRow != null);
          |  }