diff --git a/src/TinyGsmClientUBLOX.h b/src/TinyGsmClientUBLOX.h
index cf600402..78b8bfda 100644
--- a/src/TinyGsmClientUBLOX.h
+++ b/src/TinyGsmClientUBLOX.h
@@ -434,7 +434,7 @@ class TinyGsmUBLOX : public TinyGsmModem<TinyGsmUBLOX>,
    * I2C port, the GSM-based "Cell Locate" location will be returned instead.
    */
  protected:
-  bool enableGPSImpl() {
+  bool enableGPSImpl(GpsStartMode startMode = GPS_START_AUTO) { // From https://github.com/vshymanskyy/TinyGSM/pull/642
     // AT+UGPS=<mode>[,<aid_mode>[,<GNSS_systems>]]
     // <mode> - 0: GNSS receiver powered off, 1: on
     // <aid_mode> - 0: no aiding (default)