1 files changed, 6 insertions, 5 deletions
diff --git a/src/client/views/linking/LinkMenuGroup.tsx b/src/client/views/linking/LinkMenuGroup.tsx
index 2ae87ac13..29e1d921c 100644
--- a/src/client/views/linking/LinkMenuGroup.tsx
+++ b/src/client/views/linking/LinkMenuGroup.tsx
@@ -48,7 +48,7 @@ export class LinkMenuGroup extends React.Component<LinkMenuGroupProps> {
             document.removeEventListener("pointermove", this.onLinkButtonMoved);
             document.removeEventListener("pointerup", this.onLinkButtonUp);
 
-            const targets = this.props.group.map(l => LinkManager.Instance.getOppositeAnchor(l, this.props.sourceDoc)).filter(d => d) as Doc[];
+            const targets = this.props.group.map(l => LinkManager.getOppositeAnchor(l, this.props.sourceDoc)).filter(d => d) as Doc[];
             StartLinkTargetsDrag(this._drag.current, this.props.docView, e.x, e.y, this.props.sourceDoc, targets);
         }
         e.stopPropagation();
@@ -66,11 +66,12 @@ export class LinkMenuGroup extends React.Component<LinkMenuGroupProps> {
     }
 
     render() {
-        const groupItems = this.props.group.map(linkDoc => {
-            const destination = LinkManager.Instance.getOppositeAnchor(linkDoc, this.props.sourceDoc) ||
-                LinkManager.Instance.getOppositeAnchor(linkDoc, Cast(linkDoc.anchor2, Doc, null).annotationOn === this.props.sourceDoc ? Cast(linkDoc.anchor2, Doc, null) : Cast(linkDoc.anchor1, Doc, null));
+        const set = new Set<Doc>(this.props.group);
+        const groupItems = Array.from(set.keys()).map(linkDoc => {
+            const destination = LinkManager.getOppositeAnchor(linkDoc, this.props.sourceDoc) ||
+                LinkManager.getOppositeAnchor(linkDoc, Cast(linkDoc.anchor2, Doc, null).annotationOn === this.props.sourceDoc ? Cast(linkDoc.anchor2, Doc, null) : Cast(linkDoc.anchor1, Doc, null));
             if (destination && this.props.sourceDoc) {
-                return <LinkMenuItem key={destination[Id] + this.props.sourceDoc[Id]}
+                return <LinkMenuItem key={linkDoc[Id]}
                     groupType={this.props.groupType}
                     addDocTab={this.props.addDocTab}
                     docView={this.props.docView}