diff --git a/Examples/SonarMote/SonarMote_DistanceTracker/SonarMote_DistanceTracker.ino b/Examples/SonarMote/SonarMote_DistanceTracker/SonarMote_DistanceTracker.ino
index 74b5630..b41cb2a 100644
--- a/Examples/SonarMote/SonarMote_DistanceTracker/SonarMote_DistanceTracker.ino
+++ b/Examples/SonarMote/SonarMote_DistanceTracker/SonarMote_DistanceTracker.ino
@@ -55,7 +55,7 @@
 #define GATEWAYID     1    //node Id of the receiver we are sending data to
 #define NETWORKID     100  //the same on all nodes that talk to each other including this node and the gateway
 #define FREQUENCY     RF69_915MHZ //others: RF69_433MHZ, RF69_868MHZ (this must match the RFM69 freq you have on your Moteino)
-define IS_RFM69HW    //uncomment only for RFM69HW! Remove/comment if you have RFM69W!
+#define IS_RFM69HW    //uncomment only for RFM69HW! Remove/comment if you have RFM69W!
 #define ENCRYPTKEY    "sampleEncryptKey" //exactly the same 16 characters/bytes on all nodes!
 #define SENDLOOPS    80 //default:80 //if no message was sent for this many sleep loops/cycles, then force a send
 #define READ_SAMPLES 3