diff --git a/src/mqtt.rs b/src/mqtt.rs
index caf5219..23c31e5 100644
--- a/src/mqtt.rs
+++ b/src/mqtt.rs
@@ -23,7 +23,8 @@ pub enum SendError {
     NXDomain(&'static str),
     Tls(TlsError),
     Connect(ConnectError),
-    MqttReason(ReasonCode),
+    MqttConnect(ReasonCode),
+    MqttPublish(ReasonCode),
     Timeout(TimeoutError),
 }
 
@@ -64,7 +65,7 @@ macro_rules! from_impl {
 from_impl!(DnsError, Dns);
 from_impl!(TlsError, Tls);
 from_impl!(ConnectError, Connect);
-from_impl!(ReasonCode, MqttReason);
+from_impl!(ReasonCode, MqttConnect);
 from_impl!(TimeoutError, Timeout);
 
 const MQTT_SERVER_HOSTNAME: &str = "mqtt.shimun.net";
@@ -182,7 +183,8 @@ pub async fn send_message(
                     rust_mqtt::packet::v5::publish_packet::QualityOfService::QoS1,
                     true,
                 )
-                .await?;
+                .await
+                .map_err(SendError::MqttPublish)?;
         }
         let after_mqtt_pub = Instant::now();
         info!(