diff --git a/platformio.ini b/platformio.ini
index 885ce9a1..d91aec41 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -67,6 +67,9 @@ build_flags =
 
 	;Have RTC Chip
 	-DHAS_RTC=1
+	
+	;Have buzzer
+	-DBUZZ_PIN=2
 
 	;Buttons configuration
 	-DHAS_BTN=1
diff --git a/src/core/globals.cpp b/src/core/globals.cpp
index 1acb7b7b..f649d943 100644
--- a/src/core/globals.cpp
+++ b/src/core/globals.cpp
@@ -1,7 +1,5 @@
 #include "globals.h"
 
-#define BUZZ_PIN 2
-
 /*********************************************************************
 **  Function: backToMenu
 **  sets the global var to be be used in the options second parameter
@@ -74,5 +72,9 @@ void updateTimeStr(struct tm timeInfo) {
 }
 
 void _tone(unsigned int frequency, unsigned long duration = 0UL) {
+#if defined(BUZZ_PIN)
     tone(BUZZ_PIN, frequency, duration);
+//#elif defined(HAS_NS4168_SPKR)
+//TODO: alt. implementation using the speaker
+#endif
 }