diff --git a/platforms/esp32/sdkconfig b/platforms/esp32/sdkconfig
index 49f0f0700..4f9f6520c 100644
--- a/platforms/esp32/sdkconfig
+++ b/platforms/esp32/sdkconfig
@@ -39,6 +39,8 @@ CONFIG_ESPTOOLPY_FLASHMODE="qio"
 CONFIG_ESPTOOLPY_FLASHMODE_QIO=y
 CONFIG_ESPTOOLPY_FLASHSIZE="4MB"
 CONFIG_ESPTOOLPY_FLASHSIZE_4MB=y
+# SPIRAM frequency, if enabled, must also match the flash frequency.
+CONFIG_SPIRAM_SPEED_80M=y
 
 CONFIG_ESP_NETIF_TCPIP_ADAPTER_COMPATIBLE_LAYER=n