diff --git a/packages/backend-core/src/sql/sqlTable.ts b/packages/backend-core/src/sql/sqlTable.ts
index 0bdf77edbb..005a0cf417 100644
--- a/packages/backend-core/src/sql/sqlTable.ts
+++ b/packages/backend-core/src/sql/sqlTable.ts
@@ -157,7 +157,7 @@ function generateSchema(
       case FieldType.AUTO:
       case FieldType.JSON:
       case FieldType.INTERNAL:
-        throw `${column.type} is not a valid SQL type`
+        throw new Error(`${column.type} is not a valid SQL type`)
 
       default:
         utils.unreachable(columnType)