diff --git a/packages/erd-editor/src/utils/schema-sql/MSSQL.ts b/packages/erd-editor/src/utils/schema-sql/MSSQL.ts
index b86c008a..92cbeb70 100644
--- a/packages/erd-editor/src/utils/schema-sql/MSSQL.ts
+++ b/packages/erd-editor/src/utils/schema-sql/MSSQL.ts
@@ -61,7 +61,7 @@ export function createSchema(state: RootState): string {
       uqColumns.forEach(column => {
         stringBuffer.push(`ALTER TABLE ${bracket}${table.name}${bracket}`);
         stringBuffer.push(
-          `  ADD CONSTRAINT ${bracket}UQ_${column.name}${bracket} UNIQUE (${bracket}${column.name}${bracket})\nGO`
+          `  ADD CONSTRAINT ${bracket}UQ_${table.name}_${column.name}${bracket} UNIQUE (${bracket}${column.name}${bracket})\nGO`
         );
         stringBuffer.push('');
       });