diff --git a/core/pkg/net/dns/dns.go b/core/pkg/net/dns/dns.go
index d381904e5..e404ac07e 100644
--- a/core/pkg/net/dns/dns.go
+++ b/core/pkg/net/dns/dns.go
@@ -42,7 +42,7 @@ func GetSystemNameServers() ([]net.IP, error) {
 			continue
 		}
 		fields := strings.Fields(trimmed)
-		if len(fields) == 0 {
+		if len(fields) < 2 {
 			continue
 		}
 		if fields[0] == "nameserver" {