diff --git a/watch.cpp b/watch.cpp
index 18c4dfd..35205da 100644
--- a/watch.cpp
+++ b/watch.cpp
@@ -5,6 +5,8 @@
 #include <phosphor-logging/elog-errors.hpp>
 #include <phosphor-logging/lg2.hpp>
 
+#include <span>
+
 namespace phosphor
 {
 namespace dump
@@ -87,7 +89,8 @@
     constexpr auto maxBytes = sizeof(struct inotify_event) + NAME_MAX + 1;
     uint8_t buffer[maxBytes];
 
-    auto bytes = read(fd, buffer, maxBytes);
+    std::span<char> bufferSpan(reinterpret_cast<char*>(buffer), maxBytes);
+    auto bytes = read(fd, bufferSpan.data(), bufferSpan.size());
     if (0 > bytes)
     {
         // Failed to read inotify event