diff --git a/backend/src/api/mempool.ts b/backend/src/api/mempool.ts
index 3356df7c9..2a509aa3f 100644
--- a/backend/src/api/mempool.ts
+++ b/backend/src/api/mempool.ts
@@ -130,7 +130,10 @@ class Mempool {
     }
 
     // Prevent mempool from clear on bitcoind restart by delaying the deletion
-    if (config.MEMPOOL.NETWORK === 'mainnet' && this.mempoolProtection === 0 && transactions.length / currentMempoolSize <= 0.80) {
+    if (this.mempoolProtection === 0
+      && currentMempoolSize > 20000
+      && transactions.length / currentMempoolSize <= 0.80
+    ) {
       this.mempoolProtection = 1;
       this.inSync = false;
       logger.warn(`Mempool clear protection triggered because transactions.length: ${transactions.length} and currentMempoolSize: ${currentMempoolSize}.`);