@@ -686,7 +686,7 @@ func TestBuildLastModified(t *testing.T) {

 ADD %s/file /

 RUN ls -le /file`

-	dockerfile := fmt.Sprintf(dFmt, server.URL)

+	dockerfile := fmt.Sprintf(dFmt, server.URL())

 	if _, out, err = buildImageWithOut(name, dockerfile, false); err != nil {

 		t.Fatal(err)

@@ -721,7 +721,7 @@ RUN ls -le /file`

 	}

 	defer server.Close()

-	dockerfile = fmt.Sprintf(dFmt, server.URL)

+	dockerfile = fmt.Sprintf(dFmt, server.URL())

 	if _, out2, err = buildImageWithOut(name, dockerfile, false); err != nil {

 		t.Fatal(err)