diff --git a/package-lock.json b/package-lock.json
index 438d3d1..08a992f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "summarum",
-  "version": "1.2.1",
+  "version": "1.2.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "summarum",
-      "version": "1.2.1",
+      "version": "1.2.2",
       "dependencies": {
         "@codemirror/autocomplete": "^6.18.0",
         "@codemirror/commands": "^6.8.0",
diff --git a/src/main.ts b/src/main.ts
index d0bedf1..499cc49 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -50,9 +50,13 @@ function activeDoc(): DocMeta {
 }
 
 function titleFromContent(text: string): string {
-  for (const line of text.split("\n")) {
-    const s = line.trim();
+  let start = 0;
+  while (start < text.length) {
+    let end = text.indexOf("\n", start);
+    if (end === -1) end = text.length;
+    const s = text.slice(start, end).trim();
     if (s.length > 0) return s.replace(/^#\s*/, "").slice(0, 30);
+    start = end + 1;
   }
   return t("untitled");
 }