diff --git a/libs/hbb_common b/libs/hbb_common
index c8cbb6be2..9043c15ac 160000
--- a/libs/hbb_common
+++ b/libs/hbb_common
@@ -1 +1 @@
-Subproject commit c8cbb6be283e9215da87625016fe8838dda76c02
+Subproject commit 9043c15acc6d5b42b6c12ad284c16c1ec172f1f0
diff --git a/src/ipc.rs b/src/ipc.rs
index 713e45687..8fa7aa07c 100644
--- a/src/ipc.rs
+++ b/src/ipc.rs
@@ -1288,6 +1288,9 @@ fn running_server_uids_for_current_exe() -> ResultType<Vec<u32>> {
             continue;
         }
         let Some(uid) = process.user_id().map(|uid| **uid as u32) else {
+            // Root CLI management commands need a stable matching `--server` target.
+            // If this key process races during enumeration, failing the command is clearer
+            // than silently skipping it; `--server` is not expected to exit frequently.
             bail!("Failed to read --server process uid");
         };
         server_uids.push(uid);