diff --git a/packages/dbml-core/src/export/DbmlExporter.js b/packages/dbml-core/src/export/DbmlExporter.js
index 29be9e1a..af2f2907 100644
--- a/packages/dbml-core/src/export/DbmlExporter.js
+++ b/packages/dbml-core/src/export/DbmlExporter.js
@@ -89,6 +89,7 @@ class DbmlExporter {
             break;
 
           default:
+            value += `\`${field.dbdefault.value}\``;
             break;
         }
         constraints.push(value);