diff --git a/sdkconfig.defaults b/sdkconfig.defaults
index 45f9275a0d519c8fb751963bff56be8d3d32934c..f374e5e259a40748fbb4afbacf14bacb019cc2a5 100644
--- a/sdkconfig.defaults
+++ b/sdkconfig.defaults
@@ -17,6 +17,7 @@ CONFIG_SPIRAM=y
 CONFIG_SPIRAM_MODE_OCT=y
 CONFIG_SPIRAM_TYPE_ESPPSRAM64=y
 CONFIG_SPIRAM_SPEED_80M=y
+CONFIG_SPIRAM_MALLOC_ALWAYSINTERNAL=8192
 CONFIG_SPIRAM_TRY_ALLOCATE_WIFI_LWIP=y
 CONFIG_SPIRAM_MALLOC_RESERVE_INTERNAL=65536
 CONFIG_SPIRAM_ALLOW_BSS_SEG_EXTERNAL_MEMORY=y