diff --git a/discovery/gossiper.go b/discovery/gossiper.go
index 6bbdce30..97f4808a 100644
--- a/discovery/gossiper.go
+++ b/discovery/gossiper.go
@@ -4,7 +4,6 @@ import (
 	"bytes"
 	"errors"
 	"fmt"
-	"runtime"
 	"sync"
 	"time"
 
@@ -904,9 +903,7 @@ func (d *AuthenticatedGossiper) networkHandler() {
 
 	// We'll use this validation to ensure that we process jobs in their
 	// dependency order during parallel validation.
-	validationBarrier := routing.NewValidationBarrier(
-		runtime.NumCPU()*4, d.quit,
-	)
+	validationBarrier := routing.NewValidationBarrier(1000, d.quit)
 
 	for {
 		select {