diff --git a/rumqttc/src/v5/state.rs b/rumqttc/src/v5/state.rs
index 80859cc8a..165e20b36 100644
--- a/rumqttc/src/v5/state.rs
+++ b/rumqttc/src/v5/state.rs
@@ -587,11 +587,8 @@ impl MqttState {
         self.await_pingresp = true;
 
         debug!(
-            "Pingreq,
-            last incoming packet before {} millisecs,
-            last outgoing request before {} millisecs",
-            elapsed_in.as_millis(),
-            elapsed_out.as_millis()
+            "Pingreq, last incoming packet before {:?}, last outgoing request before {:?}",
+            elapsed_in, elapsed_out,
         );
 
         Packet::PingReq(PingReq).write(&mut self.write)?;