diff --git a/cpu/sam0_common/periph/wdt.c b/cpu/sam0_common/periph/wdt.c
index dc72954847..abacdbe47a 100644
--- a/cpu/sam0_common/periph/wdt.c
+++ b/cpu/sam0_common/periph/wdt.c
@@ -193,7 +193,7 @@ void wdt_setup_reboot_with_callback(uint32_t min_time, uint32_t max_time,
     cb_arg = arg;
 
     if (cb != NULL) {
-        uint32_t warning_offset = ms_to_per(WDT_WARNING_PERIOD);
+        uint32_t warning_offset = ms_to_per(CONFIG_WDT_WARNING_PERIOD);
 
         if (warning_offset == 0) {
             warning_offset = 1;
diff --git a/drivers/include/periph/wdt.h b/drivers/include/periph/wdt.h
index 0814c68b5f..324030e98e 100644
--- a/drivers/include/periph/wdt.h
+++ b/drivers/include/periph/wdt.h
@@ -111,8 +111,8 @@
  * This function is highly platform dependent so check the platform documentation
  * for details on its constraints.
  *
- * The callback will be executed WDT_WARNING_PERIOD before the actual reboot.
- * The value of WDT_WARNING_PERIOD may be configurable or a fixed value. But is
+ * The callback will be executed CONFIG_WDT_WARNING_PERIOD before the actual reboot.
+ * The value of CONFIG_WDT_WARNING_PERIOD may be configurable or a fixed value. But is
  * in any case defined at compile time. Specific platform implementation should
  * assert improper values.
  *
@@ -146,10 +146,10 @@
  *
  * @verbatim
  * |---------------------MAX_TIME-----------------------|
- *                             |---WDT_WARNING_PERIOD---|
- *                             ^                        ^
- *                             |                        |
- *                        wdt_cb()                   reboot
+ *                      |---CONFIG_WDT_WARNING_PERIOD---|
+ *                      ^                               ^
+ *                      |                               |
+ *                   wdt_cb()                        reboot
  * @endverbatim
  *
  * To include this feature, (If your platform supports it) in your application
@@ -276,13 +276,13 @@ void wdt_init(void);
  * @{
  */
 /**
- * @def     WDT_WARNING_PERIOD
+ * @def     CONFIG_WDT_WARNING_PERIOD
  *
  * @brief   Period (ms) before reboot where wdt_cb() is executed.
  *          Defined per implementation.
  */
-#ifndef WDT_WARNING_PERIOD
-#define WDT_WARNING_PERIOD          (1)
+#ifndef CONFIG_WDT_WARNING_PERIOD
+#define CONFIG_WDT_WARNING_PERIOD          (1)
 #endif
 /** @} */