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 a4ac8e2b8c2d8..55b2539c13381 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
@@ -295,7 +295,7 @@ object JdbcUtils extends Logging {
         }
       }
       val nullable = if (alwaysNullable) {
-        alwaysNullable
+        true
       } else {
         rsmd.isNullable(i + 1) != ResultSetMetaData.columnNoNulls
       }