diff --git a/agent/src/collectors/systemd.rs b/agent/src/collectors/systemd.rs
index bced555..a7b2fdd 100644
--- a/agent/src/collectors/systemd.rs
+++ b/agent/src/collectors/systemd.rs
@@ -294,7 +294,7 @@ impl SystemdCollector {
 
     /// Get directory size in GB with permission-aware logging
     fn get_directory_size(&self, dir: &str) -> Option<f32> {
-        let output = Command::new("du").arg("-sb").arg(dir).output().ok()?;
+        let output = Command::new("sudo").arg("du").arg("-sb").arg(dir).output().ok()?;
 
         if !output.status.success() {
             // Log permission errors for debugging but don't spam logs