diff --git a/mesh.proto b/mesh.proto
index 74c37e7..d760b0d 100644
--- a/mesh.proto
+++ b/mesh.proto
@@ -966,7 +966,7 @@ message MyNodeInfo {
    *  48 time windows of 1hr each with the airtime of valid lora packets. This includes
    *  packets that doesn't belong to your mesh.
    */
-  repeated uint32 air_period_tx_all = 18;
+  repeated uint32 air_period_rx_all = 18;
 
   /*
    * FIXME - add more useful debugging state (queue depths etc)