diff --git a/arch/xtensa/src/esp32/Make.defs b/arch/xtensa/src/esp32/Make.defs
index 36ab6eb0e2..3c443e0b34 100644
--- a/arch/xtensa/src/esp32/Make.defs
+++ b/arch/xtensa/src/esp32/Make.defs
@@ -162,10 +162,10 @@ ifeq ($(CONFIG_ESP32_PARTITION),y)
 CHIP_CSRCS += esp32_partition.c
 endif
 
-ifeq ($(CONFIG_WATCHDOG),y)
-CHIP_CSRCS += esp32_wtd_lowerhalf.c
 ifeq ($(CONFIG_ESP32_WDT),y)
 CHIP_CSRCS += esp32_wtd.c
+ifeq ($(CONFIG_WATCHDOG),y)
+CHIP_CSRCS += esp32_wtd_lowerhalf.c
 endif
 endif