diff --git a/src/core/lib/slice/slice.cc b/src/core/lib/slice/slice.cc
index eebf66b..6c6ee50 100644
--- a/src/core/lib/slice/slice.cc
+++ b/src/core/lib/slice/slice.cc
@@ -220,6 +220,7 @@ grpc_slice grpc_slice_from_moved_buffer(grpc_core::UniquePtr<char> p,
                                         size_t len) {
   uint8_t* ptr = reinterpret_cast<uint8_t*>(p.get());
   grpc_slice slice;
+  memset(&slice, 0, sizeof(grpc_slice));
   if (len <= sizeof(slice.data.inlined.bytes)) {
     slice.refcount = nullptr;
     slice.data.inlined.length = len;