diff --git a/main.js b/main.js
index 849ae92..f7c5f9f 100644
--- a/main.js
+++ b/main.js
@@ -252,10 +252,9 @@ function save() {
 }
 
 function loadInvalids(val) {
-	let serialized = val.invalids;
-	if (serialized) {
+	if (val && val.invalids) {
 		editor.operation(() => { // buffer all DOM changes together b/c performance
-			serialized.forEach(markInvalid);
+			val.invalids.forEach(markInvalid);
 		});
 	}
 }