diff --git a/backend/src/api/bisq/bisq.ts b/backend/src/api/bisq/bisq.ts
index fc3b6ce94..138384c8b 100644
--- a/backend/src/api/bisq/bisq.ts
+++ b/backend/src/api/bisq/bisq.ts
@@ -156,6 +156,7 @@ class Bisq {
   }
 
   private async loadBisqDumpFile(): Promise<void> {
+    this.allBlocks = [];
     try {
       await this.loadData();
       this.buildIndex();