diff --git a/src/query.test.ts b/src/query.test.ts
index ca64162..6d7aad0 100644
--- a/src/query.test.ts
+++ b/src/query.test.ts
@@ -30,6 +30,10 @@ describe('query', () => {
       const _el: QueriedElement<':scope'> = {} as Element;
     });
 
+    typeTest('resolve `:scope` to `null` for `ShadowRoot`', () => {
+      const _el: QueriedElement<':scope', ShadowRoot> = null;
+    });
+
     typeTest('resolves a tag name with class', () => {
       const _el: HTMLInputElement = {} as QueriedElement<'input.clazz'>;
     });
@@ -117,6 +121,10 @@ describe('query', () => {
     typeTest('resolves queries without a tag name to `Element`', () => {
       const _el: QueriedElement<'.foo'> = {} as Element;
     });
+
+    typeTest('resolves queries from a `ShadowRoot`', () => {
+      const _el: QueriedElement<'input', ShadowRoot> = {} as HTMLInputElement;
+    });
   });
 });
 
diff --git a/src/query.ts b/src/query.ts
index e87ccbe..c9eb19a 100644
--- a/src/query.ts
+++ b/src/query.ts
@@ -8,15 +8,17 @@
  * return.
  *
  * @param Query The selector query to resolve.
- * @param Host The host element making the query.
+ * @param Root The root element or shadow root making the query.
  * @returns A union of all possible {@link Element} objects which may be
  *     returned by the query.
  */
 export type QueriedElement<
   Query extends string,
-  Host extends Element = Element,
+  Root extends Element | ShadowRoot = Element,
 > = Query extends ':scope'
-    ? Host
+    ? Root extends Element
+        ? Root
+        : null
     : Union<ElementsOf<TagNames<Selectors<Query>>>>
 ;