diff --git a/src/go-camo/camo/proxy_test.go b/src/go-camo/camo/proxy_test.go
index d753936..ab2656f 100644
--- a/src/go-camo/camo/proxy_test.go
+++ b/src/go-camo/camo/proxy_test.go
@@ -103,7 +103,7 @@ func TestGoogleChartURL(t *testing.T) {
 
 func TestChunkedImageFile(t *testing.T) {
 	t.Parallel()
-	testURL := "http://www.igvita.com/posts/12/spdyproxy-diagram.png"
+	testURL := "https://www.igvita.com/posts/12/spdyproxy-diagram.png"
 	_, err := makeTestReq(testURL, 200)
 	assert.Nil(t, err)
 }