diff --git a/pkg/volume/aws_pd/aws_pd.go b/pkg/volume/aws_pd/aws_pd.go
index 49645c3205a..2fb760c0904 100644
--- a/pkg/volume/aws_pd/aws_pd.go
+++ b/pkg/volume/aws_pd/aws_pd.go
@@ -21,6 +21,7 @@ import (
 	"os"
 	"path"
 	"strconv"
+	"strings"
 
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/cloudprovider"