diff --git a/inventory/any.cf b/inventory/any.cf
index 80cdb481d4..5fad95f818 100644
--- a/inventory/any.cf
+++ b/inventory/any.cf
@@ -1167,9 +1167,16 @@ bundle agent cfe_autorun_inventory_dmidecode
       "dmi[$(dmivars)]"
         unless => isvariable("dmi[$(dmivars)]"),
         # This is just for system-uuid really, which we get from the awk script above by preference.
+@if minimum_version(3.22.0)
+        # Some files (e.g. product_serial) are only readable by root.
+        if => isreadable(
+          "/sys/devices/virtual/dmi/id/$(sysfs_name_for[$(dmivars)])", 1
+        ),
+@else
         if => fileexists(
           "/sys/devices/virtual/dmi/id/$(sysfs_name_for[$(dmivars)])"
         ),
+@endif
         string => readfile(
           "/sys/devices/virtual/dmi/id/$(sysfs_name_for[$(dmivars)])", 0
         ),