diff --git a/soc/xtensa/espressif_esp32/esp32s2/Kconfig.defconfig.series b/soc/xtensa/espressif_esp32/esp32s2/Kconfig.defconfig.series
index c1618783ae5..f3abfd5f017 100644
--- a/soc/xtensa/espressif_esp32/esp32s2/Kconfig.defconfig.series
+++ b/soc/xtensa/espressif_esp32/esp32s2/Kconfig.defconfig.series
@@ -18,8 +18,8 @@ config MP_MAX_NUM_CPUS
 config ISR_STACK_SIZE
 	default 2048
 
-config HEAP_MEM_POOL_SIZE
-	default 32768
+config HEAP_MEM_POOL_ADD_SIZE_SOC
+	def_int 32768
 
 config ESPTOOLPY_FLASHFREQ_80M
 	default y
diff --git a/soc/xtensa/espressif_esp32/esp32s3/Kconfig.defconfig.series b/soc/xtensa/espressif_esp32/esp32s3/Kconfig.defconfig.series
index 31f7bdbff50..99de5f6661d 100644
--- a/soc/xtensa/espressif_esp32/esp32s3/Kconfig.defconfig.series
+++ b/soc/xtensa/espressif_esp32/esp32s3/Kconfig.defconfig.series
@@ -6,8 +6,8 @@ if SOC_SERIES_ESP32S3
 config SOC_SERIES
 	default "esp32s3"
 
-config HEAP_MEM_POOL_SIZE
-	default 32768
+config HEAP_MEM_POOL_ADD_SIZE_SOC
+	def_int 32768
 
 config MINIMAL_LIBC_OPTIMIZE_STRING_FOR_SIZE
 	default n