diff --git a/drivers/gnss/gnss_u_blox_m10.c b/drivers/gnss/gnss_u_blox_m10.c
index e5641ab634a..c2cb82de09b 100644
--- a/drivers/gnss/gnss_u_blox_m10.c
+++ b/drivers/gnss/gnss_u_blox_m10.c
@@ -12,6 +12,7 @@
 #include <zephyr/kernel.h>
 #include <zephyr/drivers/gpio.h>
 #include <string.h>
+#include <stdlib.h>
 
 #include "gnss_nmea0183.h"
 #include "gnss_nmea0183_match.h"