From 34df2de822707e8a79535d4a7fbbacd48d3f05b7 Mon Sep 17 00:00:00 2001
From: Rich Harris <richard.a.harris@gmail.com>
Date: Sat, 4 Aug 2018 15:46:10 -0400
Subject: [PATCH] fix #1621

---
 src/compile/nodes/Component.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/compile/nodes/Component.ts b/src/compile/nodes/Component.ts
index 60de3bcac5..fb244e5fba 100644
--- a/src/compile/nodes/Component.ts
+++ b/src/compile/nodes/Component.ts
@@ -78,6 +78,10 @@ export default class Component extends Node {
 	) {
 		this.cannotUseInnerHTML();
 
+		if (this.expression) {
+			block.addDependencies(this.expression.dependencies);
+		}
+
 		this.attributes.forEach(attr => {
 			block.addDependencies(attr.dependencies);
 		});