diff --git a/src/compiler/compile/render-dom/wrappers/Slot.ts b/src/compiler/compile/render-dom/wrappers/Slot.ts
index 5382082393..3376a797b8 100644
--- a/src/compiler/compile/render-dom/wrappers/Slot.ts
+++ b/src/compiler/compile/render-dom/wrappers/Slot.ts
@@ -142,7 +142,7 @@ export default class SlotWrapper extends Wrapper {
 		`);
 
 		block.builders.intro.add_line(
-			`@transition_in(${slot} && ${slot}.i, #local);`
+			`@transition_in(${slot}, #local);`
 		);
 
 		block.builders.outro.add_line(
diff --git a/src/runtime/internal/transitions.ts b/src/runtime/internal/transitions.ts
index 8277c55d1c..7372b9f058 100644
--- a/src/runtime/internal/transitions.ts
+++ b/src/runtime/internal/transitions.ts
@@ -53,7 +53,7 @@ export function transition_out(block, detaching: 0 | 1, local: 0 | 1, callback)
 		outroing.add(block);
 		outros.callbacks.push(() => {
 			outroing.delete(block);
-			block.d(detaching);
+			if (local) block.d(detaching);
 			if (callback) callback();
 		});