diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0df90e2d1..c5e0af930 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 
+## [Unreleased]
+### Fixed
+- srosmd: add ignore regex for 64-bit system uptime
+
 ## [0.32.2 – 2025-02-27]
 This patch release mainly fixes the docker building process, wich resulted in
 0.32.1 not beeing built.
diff --git a/lib/oxidized/model/srosmd.rb b/lib/oxidized/model/srosmd.rb
index bf2667fc5..8c51d0bf5 100644
--- a/lib/oxidized/model/srosmd.rb
+++ b/lib/oxidized/model/srosmd.rb
@@ -27,6 +27,7 @@ class SROSMD < Oxidized::Model
     # Strip uptime.
     #
     cfg.sub! /^System Up Time.*\n/, ''
+    cfg.sub! /^System Up Time \(64-bit\).*\n/, ''
     comment cfg
   end