diff --git a/meshtastic/mesh.proto b/meshtastic/mesh.proto
index 7991ebf..48acc14 100644
--- a/meshtastic/mesh.proto
+++ b/meshtastic/mesh.proto
@@ -1444,7 +1444,7 @@ message ToRadio {
     /*
      * Heartbeat message (used to keep the device connection awake on serial)
      */
-    Heartbeat hearbeat = 7;
+    Heartbeat heartbeat = 7;
   }
 }