diff --git a/dump_manager_bmc.cpp b/dump_manager_bmc.cpp
index a6c64d6..a3402c1 100644
--- a/dump_manager_bmc.cpp
+++ b/dump_manager_bmc.cpp
@@ -309,7 +309,8 @@
     {
         if (!std::filesystem::is_directory(p))
         {
-            size += std::ceil(std::filesystem::file_size(p) / 1024.0);
+            std::uintmax_t fileSize = std::filesystem::file_size(p);
+            size += std::ceil(static_cast<double>(fileSize) / 1024.0);
         }
     }
     return size;