diff --git a/src/compiler/compile/nodes/Element.ts b/src/compiler/compile/nodes/Element.ts
index 4c1fddcf40..eefb226e7f 100644
--- a/src/compiler/compile/nodes/Element.ts
+++ b/src/compiler/compile/nodes/Element.ts
@@ -80,7 +80,7 @@ const valid_modifiers = new Set([
 	'capture',
 	'once',
 	'passive',
-    'nonpassive',
+	'nonpassive',
 	'self',
 ]);