diff --git a/src/services/timeline_search.ts b/src/services/timeline_search.ts
index 03ad62e..5d1535e 100644
--- a/src/services/timeline_search.ts
+++ b/src/services/timeline_search.ts
@@ -24,7 +24,7 @@ export class TimelineSearch {
       }
     });
 
-    this.timelinePosts = timeline;
+    this.timelinePosts = this.deduplicatePosts(timeline);
   }
 
   calculateProgress(dataPage: json[], startTime: number) {
@@ -37,6 +37,16 @@ export class TimelineSearch {
     return daysBack;
   }
 
+  deduplicatePosts(records: json[]): json[] {
+    let lastIndexMap: Record<string, number> = {};  // reverse-chrono so last is earliest
+
+    for (let [i, record] of records.entries()) {
+      lastIndexMap[record.post.uri] = i;
+    }
+
+    return records.filter((record, i) => lastIndexMap[record.post.uri] === i);
+  }
+
   searchPosts(query: string): Post[] {
     if (query.length == 0) {
       return [];