diff --git a/quic/core/quic_interval_test.cc b/quic/core/quic_interval_test.cc
index 143d417..50e8a50 100644
--- a/quic/core/quic_interval_test.cc
+++ b/quic/core/quic_interval_test.cc
@@ -402,7 +402,7 @@
 TEST_F(QuicIntervalTest, IntervalOfTypeWithNoOperatorMinus) {
   // QuicInterval<T> should work even if T does not support operator-().  We
   // just can't call QuicInterval<T>::Length() for such types.
-  const QuicInterval<QuicString> d1("a", "b");
+  const QuicInterval<std::string> d1("a", "b");
   const QuicInterval<std::pair<int, int>> d2({1, 2}, {4, 3});
   EXPECT_EQ("a", d1.min());
   EXPECT_EQ("b", d1.max());