diff --git a/quic/platform/api/quic_mem_slice_test.cc b/quic/platform/api/quic_mem_slice_test.cc
index 185f536..d441afa 100644
--- a/quic/platform/api/quic_mem_slice_test.cc
+++ b/quic/platform/api/quic_mem_slice_test.cc
@@ -15,7 +15,7 @@
  public:
   QuicMemSliceTest() {
     size_t length = 1024;
-    slice_ = QuicMemSlice(&allocator_, length);
+    slice_ = QuicMemSlice(MakeUniqueBuffer(&allocator_, length), length);
     orig_data_ = slice_.data();
     orig_length_ = slice_.length();
   }