diff --git a/lib/net/pool.js b/lib/net/pool.js
index 67ebffe7..185281c1 100644
--- a/lib/net/pool.js
+++ b/lib/net/pool.js
@@ -178,10 +178,18 @@ Pool.prototype._init = function _init() {
     this.logger.info('Chain is fully synced (height=%d).', this.chain.height);
   });
 
+  this.chain.on('bad orphan', (err, id) => {
+    this.handleBadOrphan('block', err, id);
+  });
+
   if (this.mempool) {
     this.mempool.on('tx', (tx) => {
       this.emit('tx', tx);
     });
+
+    this.mempool.on('bad orphan', (err, id) => {
+      this.handleBadOrphan('tx', err, id);
+    });
   }
 
   if (!this.options.selfish && !this.options.spv) {
@@ -189,10 +197,6 @@ Pool.prototype._init = function _init() {
       this.mempool.on('tx', (tx) => {
         this.announceTX(tx);
       });
-
-      this.mempool.on('bad orphan', (err, id) => {
-        this.handleBadOrphan('tx', err, id);
-      });
     }
 
     // Normally we would also broadcast
@@ -206,10 +210,6 @@ Pool.prototype._init = function _init() {
         return;
       this.announceBlock(block);
     });
-
-    this.chain.on('bad orphan', (err, id) => {
-      this.handleBadOrphan('block', err, id);
-    });
   }
 };