diff --git a/radio/src/opentx.h b/radio/src/opentx.h
index 2a6409376..e0e666b3c 100644
--- a/radio/src/opentx.h
+++ b/radio/src/opentx.h
@@ -320,7 +320,7 @@ void memswap(void * a, void * b, uint8_t size);
 #define MASK_CFN_TYPE  uint64_t  // current max = 64 function switches
 #define MASK_FUNC_TYPE uint32_t  // current max = 32 functions
 
-typedef struct _CustomFunctionsContext {
+struct CustomFunctionContext {
   MASK_FUNC_TYPE activeFunctions;
   MASK_CFN_TYPE  activeSwitches;
   tmr10ms_t lastFunctionTime[MAX_SPECIAL_FUNCTIONS];