1 files changed, 2 insertions, 4 deletions
diff --git a/src/client/util/LinkManager.ts b/src/client/util/LinkManager.ts
index 3aa72f501..ce422f849 100644
--- a/src/client/util/LinkManager.ts
+++ b/src/client/util/LinkManager.ts
@@ -194,10 +194,8 @@ export class LinkManager {
     public static getOppositeAnchor(linkDoc: Doc, anchor: Doc): Doc | undefined {
         const a1 = Cast(linkDoc.link_anchor_1, Doc, null);
         const a2 = Cast(linkDoc.link_anchor_2, Doc, null);
-        if (Doc.AreProtosEqual(anchor, a1)) return a2;
-        if (Doc.AreProtosEqual(anchor, a2)) return a1;
-        if (Doc.AreProtosEqual(anchor, a1.annotationOn as Doc)) return a2;
-        if (Doc.AreProtosEqual(anchor, a2.annotationOn as Doc)) return a1;
+        if (Doc.AreProtosEqual(DocCast(anchor.annotationOn, anchor), DocCast(a1.annotationOn, a1))) return a2;
+        if (Doc.AreProtosEqual(DocCast(anchor.annotationOn, anchor), DocCast(a2.annotationOn, a2))) return a1;
         if (Doc.AreProtosEqual(anchor, linkDoc)) return linkDoc;
     }
 }