diff --git a/src/hm/hmRadio.h b/src/hm/hmRadio.h
index 9aad3a54..8bb3a2a1 100644
--- a/src/hm/hmRadio.h
+++ b/src/hm/hmRadio.h
@@ -133,7 +133,7 @@ class HmRadio : public Radio {
                 innerLoopTimeout = DURATION_LISTEN_MIN;
 
                 if(mNRFloopChannels)
-                    tempRxChIdx = (tempRxChIdx + 4) % RF_CHANNELS
+                    tempRxChIdx = (tempRxChIdx + 4) % RF_CHANNELS;
                 else
                     tempRxChIdx = (mRxChIdx + rxPendular*4) % RF_CHANNELS;