diff --git a/spdy/core/hpack/hpack_encoder_test.cc b/spdy/core/hpack/hpack_encoder_test.cc
index b18abad..67b1ac6 100644
--- a/spdy/core/hpack/hpack_encoder_test.cc
+++ b/spdy/core/hpack/hpack_encoder_test.cc
@@ -448,7 +448,7 @@
         headers_observed_,
         ElementsAre(Pair(":path", "/index.html"), Pair("cookie", "foo=bar"),
                     Pair("cookie", "baz=bing"),
-                    Pair("hello", std::string("goodbye\0aloha", 13)),
+                    Pair("hello", SpdyStringPiece("goodbye\0aloha", 13)),
                     Pair("multivalue", "value1, value2")));
   } else {
     EXPECT_THAT(