diff --git a/hw/dv/verilator/cpp/dpi_memutil.cc b/hw/dv/verilator/cpp/dpi_memutil.cc
index 458b53f..c57a3ee 100644
--- a/hw/dv/verilator/cpp/dpi_memutil.cc
+++ b/hw/dv/verilator/cpp/dpi_memutil.cc
@@ -431,7 +431,7 @@
 
     const MemArea &mem_area = *mem_areas_[mem_area_it->second];
 
-    for (const auto seg_pr : staged_mem.GetSegs()) {
+    for (const auto &seg_pr : staged_mem.GetSegs()) {
       const AddrRange<uint32_t> &seg_rng = seg_pr.first;
       const std::vector<uint8_t> &seg_data = seg_pr.second;