diff --git a/src/compile/render-dom/wrappers/Slot.ts b/src/compile/render-dom/wrappers/Slot.ts
index 3bef69b573..81262fb6d3 100644
--- a/src/compile/render-dom/wrappers/Slot.ts
+++ b/src/compile/render-dom/wrappers/Slot.ts
@@ -86,7 +86,7 @@ export default class SlotWrapper extends Wrapper {
 
 		block.builders.mount.addBlock(deindent`
 			${mountLeadin} {
-				${slot}.m(${parentNode || '#target'}, anchor);
+				${slot}.m(${parentNode || '#target'}, ${parentNode ? 'null' : 'anchor'});
 			}
 		`);
 
diff --git a/test/runtime/samples/binding-select-in-yield/_config.js b/test/runtime/samples/binding-select-in-yield/_config.js
index 6c206837e1..11dcb3d58c 100644
--- a/test/runtime/samples/binding-select-in-yield/_config.js
+++ b/test/runtime/samples/binding-select-in-yield/_config.js
@@ -18,7 +18,7 @@ export default {
 			</select>
 		`);
 
-		const select = target.querySelector('select');
+		let select = target.querySelector('select');
 		const change = new window.MouseEvent('change');
 
 		select.options[2].selected = true;
@@ -44,6 +44,8 @@ export default {
 		await component.modal.toggle();
 		await component.modal.toggle();
 
+		select = target.querySelector('select');
+
 		assert.deepEqual(Array.from(select.options).map(o => o.selected), [
 			false,
 			false,
diff --git a/test/runtime/samples/component-binding-blowback-c/_config.js b/test/runtime/samples/component-binding-blowback-c/_config.js
index b179f1c104..5ff0ae34f6 100644
--- a/test/runtime/samples/component-binding-blowback-c/_config.js
+++ b/test/runtime/samples/component-binding-blowback-c/_config.js
@@ -14,7 +14,7 @@ export default {
 		</ol>
 	`,
 
-	async test({ assert, component, target, window }) {
+	async test({ assert, target, window }) {
 		const input = target.querySelector('input');
 
 		input.value = 4;