diff --git a/src/drivers/gps/mtk.cpp b/src/drivers/gps/mtk.cpp
index c17e395308..ea3b33618d 100644
--- a/src/drivers/gps/mtk.cpp
+++ b/src/drivers/gps/mtk.cpp
@@ -276,7 +276,7 @@ MTK::handle_message(gps_mtk_packet_t &packet)
 		ts.tv_sec = epoch;
 		ts.tv_nsec = timeinfo_conversion_temp * 1000000ULL;
 
-		if (clock_settime(CLOCK_REALTIME, &ts)) {
+		if (px4_clock_settime(CLOCK_REALTIME, &ts)) {
 			warn("failed setting clock");
 		}
 
diff --git a/src/drivers/gps/ubx.cpp b/src/drivers/gps/ubx.cpp
index a2d73c3a7c..9b62674c7b 100644
--- a/src/drivers/gps/ubx.cpp
+++ b/src/drivers/gps/ubx.cpp
@@ -875,7 +875,7 @@ UBX::payload_rx_done(void)
 				ts.tv_sec = epoch;
 				ts.tv_nsec = _buf.payload_rx_nav_pvt.nano;
 
-				if (clock_settime(CLOCK_REALTIME, &ts)) {
+				if (px4_clock_settime(CLOCK_REALTIME, &ts)) {
 					warn("failed setting clock");
 				}
 
@@ -973,7 +973,7 @@ UBX::payload_rx_done(void)
 				ts.tv_sec = epoch;
 				ts.tv_nsec = _buf.payload_rx_nav_timeutc.nano;
 
-				if (clock_settime(CLOCK_REALTIME, &ts)) {
+				if (px4_clock_settime(CLOCK_REALTIME, &ts)) {
 					warn("failed setting clock");
 				}