diff --git a/packages/neuron-wallet/src/services/sync/block-listener.ts b/packages/neuron-wallet/src/services/sync/block-listener.ts
index 5aed6e8d2b..b592ff7088 100644
--- a/packages/neuron-wallet/src/services/sync/block-listener.ts
+++ b/packages/neuron-wallet/src/services/sync/block-listener.ts
@@ -31,11 +31,12 @@ export default class BlockListener {
   }
 
   public setLockHashes = (lockHashes: string[]) => {
-    this.lockHashes = lockHashes
+    const hashes = [...new Set(lockHashes)]
+    this.lockHashes = hashes
     if (!this.queue) {
       return
     }
-    this.queue.setLockHashes(lockHashes)
+    this.queue.setLockHashes(hashes)
   }
 
   public appendLockHashes = (lockHashes: string[]) => {