diff --git a/types.d.ts b/types.d.ts
index 93c87c50..ab99e519 100644
--- a/types.d.ts
+++ b/types.d.ts
@@ -196,6 +196,8 @@ export type Binary = {
   parentheses?: boolean;
 };
 
+export type Expr = Binary;
+
 export type ExpressionValue =
   | ColumnRef
   | Param