diff --git a/plugin/trino-sqlserver/src/main/java/io/trino/plugin/sqlserver/SqlServerClient.java b/plugin/trino-sqlserver/src/main/java/io/trino/plugin/sqlserver/SqlServerClient.java
index 32e1744d15490..d1a3fa57c9db8 100644
--- a/plugin/trino-sqlserver/src/main/java/io/trino/plugin/sqlserver/SqlServerClient.java
+++ b/plugin/trino-sqlserver/src/main/java/io/trino/plugin/sqlserver/SqlServerClient.java
@@ -597,7 +597,7 @@ public static ColumnMapping varbinaryColumnMapping()
                 DISABLE_PUSHDOWN);
     }
 
-    private static SliceWriteFunction varbinaryWriteFunction()
+    public static SliceWriteFunction varbinaryWriteFunction()
     {
         return new SliceWriteFunction()
         {