diff --git a/radio/src/opentx.cpp b/radio/src/opentx.cpp
index 6c9ccda1e..b5163f532 100644
--- a/radio/src/opentx.cpp
+++ b/radio/src/opentx.cpp
@@ -175,8 +175,9 @@ void per10ms()
 #endif
 
 #if defined(FRSKY) || defined(JETI)
-  if (!IS_DSM2_SERIAL_PROTOCOL(s_current_protocol[0]))
+  if (!IS_DSM2_SERIAL_PROTOCOL(s_current_protocol[0])) {
     telemetryInterrupt10ms();
+  }
 #endif
 
   // These moved here from evalFlightModeMixes() to improve beep trigger reliability.