diff --git a/quic/platform/api/quic_mem_slice_span_test.cc b/quic/platform/api/quic_mem_slice_span_test.cc
index 067a7a4..8230a1b 100644
--- a/quic/platform/api/quic_mem_slice_span_test.cc
+++ b/quic/platform/api/quic_mem_slice_span_test.cc
@@ -34,7 +34,7 @@
   QuicByteCount bytes_consumed =
       vector.span().ConsumeAll([&](QuicMemSlice slice) {
         EXPECT_EQ(data_, slice.data());
-        EXPECT_EQ(1024, slice.length());
+        EXPECT_EQ(1024u, slice.length());
         ++num_slices;
       });