diff --git a/session/database.rst b/session/database.rst
index 8766ab9f2a8..badd1412145 100644
--- a/session/database.rst
+++ b/session/database.rst
@@ -417,7 +417,7 @@ Microsoft SQL Server
 
     CREATE TABLE sessions (
         sess_id VARCHAR(128) NOT NULL PRIMARY KEY,
-        sess_data VARBINARY(MAX) NOT NULL,
+        sess_data NVARCHAR(MAX) NOT NULL,
         sess_lifetime INTEGER NOT NULL,
         sess_time INTEGER NOT NULL
     );