diff --git a/common/download_test.go b/common/download_test.go
index 7a0792c3d..228a581ed 100644
--- a/common/download_test.go
+++ b/common/download_test.go
@@ -5,6 +5,7 @@ import (
 	"encoding/hex"
 	"fmt"
 	"io/ioutil"
+	"net/http"
 	"net/http/httptest"
 	"os"
 	"path/filepath"