diff --git a/src/helpers/sensors/MicroNMEALocationProvider.h b/src/helpers/sensors/MicroNMEALocationProvider.h
index e8b09d9a..5a2c59d3 100644
--- a/src/helpers/sensors/MicroNMEALocationProvider.h
+++ b/src/helpers/sensors/MicroNMEALocationProvider.h
@@ -27,7 +27,7 @@ class MicroNMEALocationProvider : public LocationProvider {
     long time_valid = 0;
 
 public :
-    MicroNMEALocationProvider(Stream& ser, mesh::RTCClock* clock = &rtc_clock, int pin_reset = GPS_RESET, int pin_en = GPS_EN) :
+    MicroNMEALocationProvider(Stream& ser, mesh::RTCClock* clock = NULL, int pin_reset = GPS_RESET, int pin_en = GPS_EN) :
     _gps_serial(&ser), nmea(_nmeaBuffer, sizeof(_nmeaBuffer)), _pin_reset(pin_reset), _pin_en(pin_en), _clock(clock) {
         if (_pin_reset != -1) {
             pinMode(_pin_reset, OUTPUT);