diff --git a/radio/src/opentx.cpp b/radio/src/opentx.cpp
index f3f89849f..538d26493 100644
--- a/radio/src/opentx.cpp
+++ b/radio/src/opentx.cpp
@@ -1018,7 +1018,7 @@ void doSplash()
 #define doSplash()
 #endif
 
-#if defined(PXX)
+#if defined(PCBTARANIS)
 void checkFailsafe()
 {
   for (int i=0; i<NUM_MODULES; i++) {