diff --git a/ports/espressif/boards/waveshare_esp32s2_pico/mpconfigboard.mk b/ports/espressif/boards/waveshare_esp32s2_pico/mpconfigboard.mk
index e845f33327c..ced1c53be33 100644
--- a/ports/espressif/boards/waveshare_esp32s2_pico/mpconfigboard.mk
+++ b/ports/espressif/boards/waveshare_esp32s2_pico/mpconfigboard.mk
@@ -11,4 +11,4 @@ CIRCUITPY_ESP_FLASH_FREQ = 80m
 
 CIRCUITPY_ESP_PSRAM_SIZE = 8MB
 CIRCUITPY_ESP_PSRAM_MODE = qio
-CIRCUITPY_ESP_PSRAM_FREQ = 120m
+CIRCUITPY_ESP_PSRAM_FREQ = 80m