diff --git a/server/src/main.rs b/server/src/main.rs
index be9e395..79cb950 100644
--- a/server/src/main.rs
+++ b/server/src/main.rs
@@ -608,7 +608,7 @@ impl Statistics {
     self.send_remove += 1;
   }
   pub fn is_completed(&self, maxsecond:u64) -> bool {
-    self.last.elapsed().as_secs() > maxsecond
+    self.last.elapsed().as_secs() > maxsecond && maxsecond > 0
   }
 }
 
@@ -657,7 +657,7 @@ struct Cli {
   #[arg(short, long)]
   verbose: bool,
 
-  /// Delay on each statistics (in second)
+  /// Delay on each statistics (in second) [0 = no stat]
   #[arg(short, long, default_value_t = 60)]
   statistics: u64,