diff --git a/packages/core/src/blocks/ListItem/NumberedListItem/IndexingPlugin.ts b/packages/core/src/blocks/ListItem/NumberedListItem/IndexingPlugin.ts
index 1011f58ca0..eb6b06dc7d 100644
--- a/packages/core/src/blocks/ListItem/NumberedListItem/IndexingPlugin.ts
+++ b/packages/core/src/blocks/ListItem/NumberedListItem/IndexingPlugin.ts
@@ -135,10 +135,9 @@ function getDecorations(
   // Find the start of the first change to limit traversal scope.
   // We only need to check from the change point forward, since earlier
   // blocks are unaffected and their mapped decorations remain correct.
-  const range = tr.changedRange();
-  if (!range) {
-    return { decorations: nextDecorationSet };
-  }
+  // On init (no steps), changedRange() returns null — fall back to a
+  // full scan so initial content gets indexed.
+  const range = tr.changedRange() ?? { from: 0, to: tr.doc.nodeSize - 2 };
   const decorationsToAdd = [] as Deco[];
 
   // Track blockGroups where we've verified a decoration match past the
diff --git a/tests/src/end-to-end/static/static.test.ts-snapshots/static-rendering-equality-chromium-linux.png b/tests/src/end-to-end/static/static.test.ts-snapshots/static-rendering-equality-chromium-linux.png
index 09bb9612c8..c8ee02e4c5 100644
Binary files a/tests/src/end-to-end/static/static.test.ts-snapshots/static-rendering-equality-chromium-linux.png and b/tests/src/end-to-end/static/static.test.ts-snapshots/static-rendering-equality-chromium-linux.png differ
diff --git a/tests/src/end-to-end/static/static.test.ts-snapshots/static-rendering-equality-firefox-linux.png b/tests/src/end-to-end/static/static.test.ts-snapshots/static-rendering-equality-firefox-linux.png
index b9cb882b01..b8fed8d957 100644
Binary files a/tests/src/end-to-end/static/static.test.ts-snapshots/static-rendering-equality-firefox-linux.png and b/tests/src/end-to-end/static/static.test.ts-snapshots/static-rendering-equality-firefox-linux.png differ
diff --git a/tests/src/end-to-end/static/static.test.ts-snapshots/static-rendering-equality-webkit-linux.png b/tests/src/end-to-end/static/static.test.ts-snapshots/static-rendering-equality-webkit-linux.png
index 22e9c484b7..998734ab19 100644
Binary files a/tests/src/end-to-end/static/static.test.ts-snapshots/static-rendering-equality-webkit-linux.png and b/tests/src/end-to-end/static/static.test.ts-snapshots/static-rendering-equality-webkit-linux.png differ