diff --git a/src/runtime/internal/Component.ts b/src/runtime/internal/Component.ts
index 0e9e4f0610..624339e7fa 100644
--- a/src/runtime/internal/Component.ts
+++ b/src/runtime/internal/Component.ts
@@ -14,7 +14,7 @@ export interface Fragment {
 	/* claim   */ l: (nodes: any) => void;
 	/* hydrate */ h: () => void;
 	/* mount   */ m: (target: HTMLElement, anchor: any) => void;
-	/* update  */ p: (ctx: any, dirty: any) => void;
+	/* update  */ p: (ctx: T$$['ctx'], dirty: T$$['dirty']) => void;
 	/* measure */ r: () => void;
 	/* fix     */ f: () => void;
 	/* animate */ a: () => void;
@@ -24,7 +24,7 @@ export interface Fragment {
 }
 interface T$$ {
 	dirty: number[];
-	ctx: null | any;
+	ctx: any[];
 	bound: any;
 	update: () => void;
 	callbacks: any;
@@ -110,7 +110,7 @@ export function init(component, options, instance, create_fragment, not_equal, p
 
 	const $$: T$$ = component.$$ = {
 		fragment: null,
-		ctx: null,
+		ctx: [],
 
 		// state
 		props,