diff --git a/lib/pool.js b/lib/pool.js
index 7b48b5b97a3..0b0b9eb1033 100644
--- a/lib/pool.js
+++ b/lib/pool.js
@@ -174,7 +174,7 @@ class Pool extends EventEmitter {
         this[kPending]++
       } else {
         client.dispatch(opts, handler)
-        if (this.busy) {
+        if (client.busy && this.busy) {
           this[kNeedDrain] = true
         }
       }