diff --git a/drivers/watchdog/wdt_gecko.c b/drivers/watchdog/wdt_gecko.c
index 02523dfeee..52b6d36a65 100644
--- a/drivers/watchdog/wdt_gecko.c
+++ b/drivers/watchdog/wdt_gecko.c
@@ -9,6 +9,7 @@
 
 #include <soc.h>
 #include <zephyr/drivers/watchdog.h>
+#include <zephyr/irq.h>
 #include <em_wdog.h>
 #include <em_cmu.h>