diff --git a/MSSQL-Driver.md b/MSSQL-Driver.md
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+- Adminer 4.7.7:
+replace line #305 to support UDDT:
+
+-- JOIN sys.types t ON c.user_type_id = t.user_type_id
+
+++ JOIN sys.types t ON c.**system**_type_id = t.user_type_id
+
+***