diff --git a/radio/src/targets/mega2560/board.cpp b/radio/src/targets/mega2560/board.cpp
index 1c67b24be..deff73162 100644
--- a/radio/src/targets/mega2560/board.cpp
+++ b/radio/src/targets/mega2560/board.cpp
@@ -236,3 +236,8 @@ ISR(INT3_vect)     // Arduino2560 IO18 (portD pin3)
 #endif
 }  
        
+// RTC driver
+void rtcSetTime(const struct gtm * tm)
+{
+  
+}