diff --git a/speedclock.ino b/speedclock.ino
index fdbf8d5..185b99b 100644
--- a/speedclock.ino
+++ b/speedclock.ino
@@ -412,7 +412,7 @@ void loop(void) {
       ((millis() -stats_last_plotted) > STATS_PLOTS_EVERY_MS))
   {
     Serial.println("mean_time_offset-current_time_offset & looptime");
-    Serial.print((signed long)(mean_time_offset - current_time_offset);
+    Serial.print((signed long)(mean_time_offset - current_time_offset));
     Serial.print(" ");
     Serial.println(millis()- startloop_ms);
     stats_last_plotted = millis();