diff --git a/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JdbcUtils.scala b/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JdbcUtils.scala
index 55ca4e3624bdd..319cb277cc475 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JdbcUtils.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JdbcUtils.scala
@@ -652,7 +652,7 @@ object JdbcUtils extends Logging {
       }
     }
     val supportsTransactions = finalIsolationLevel != Connection.TRANSACTION_NONE
-    var totalRowCount = 0
+    var totalRowCount = 0L
     try {
       if (supportsTransactions) {
         conn.setAutoCommit(false) // Everything in the same db transaction.