diff --git a/src/common.rs b/src/common.rs
index 39771c541..4d2f4c62b 100644
--- a/src/common.rs
+++ b/src/common.rs
@@ -1274,8 +1274,13 @@ pub fn check_process(arg: &str, mut same_uid: bool) -> bool {
         if same_uid && p.user_id() != my_uid {
             continue;
         }
+        // on mac, p.cmd() get "/Applications/RustDesk.app/Contents/MacOS/RustDesk", "XPC_SERVICE_NAME=com.carriez.RustDesk_server"
         let parg = if p.cmd().len() <= 1 { "" } else { &p.cmd()[1] };
-        if arg == parg {
+        if arg.is_empty() {
+            if !parg.starts_with("--") {
+                return true;
+            }
+        } else if arg == parg {
             return true;
         }
     }