diff --git a/discovery/kubernetes/endpoints.go b/discovery/kubernetes/endpoints.go
index 183c729ab9..c60bf3543b 100644
--- a/discovery/kubernetes/endpoints.go
+++ b/discovery/kubernetes/endpoints.go
@@ -15,6 +15,7 @@ package kubernetes
 
 import (
 	"context"
+	"github.com/prometheus/prometheus/util/strutil"
 	"net"
 	"strconv"