diff --git a/agent/src/agent.rs b/agent/src/agent.rs
index b5d957a..c061d88 100644
--- a/agent/src/agent.rs
+++ b/agent/src/agent.rs
@@ -293,8 +293,10 @@ impl Agent {
             info!("Maintenance mode enabled");
         }
 
-        // Change to nixos directory and execute rebuild
+        // Change to nixos directory and execute rebuild as cm user
         let output = tokio::process::Command::new("sudo")
+            .arg("-u")
+            .arg("cm")
             .arg("nixos-rebuild")
             .arg("switch")
             .current_dir(nixos_path)