1 files changed, 1 insertions, 1 deletions
diff --git a/src/client/views/DocComponent.tsx b/src/client/views/DocComponent.tsx
index 0709d6cb9..3de40a640 100644
--- a/src/client/views/DocComponent.tsx
+++ b/src/client/views/DocComponent.tsx
@@ -220,7 +220,7 @@ export function ViewBoxAnnotatableComponent<P extends ViewBoxAnnotatableProps>()
                             Doc.ActiveDashboard && inheritParentAcls(Doc.ActiveDashboard, doc);
                         });
                     const annoDocs = targetDataDoc[annotationKey ?? this.annotationKey] as List<Doc>;
-                    if (annoDocs instanceof List) annoDocs.push(...added);
+                    if (annoDocs instanceof List) annoDocs.push(...added.filter(add => !annoDocs.includes(add)));
                     else targetDataDoc[annotationKey ?? this.annotationKey] = new List<Doc>(added);
                     targetDataDoc[(annotationKey ?? this.annotationKey) + '_modificationDate'] = new DateField(new Date(Date.now()));
                 }