diff --git a/user_setups/esp32s3/sunton-esp32-s3-tft.ini b/user_setups/esp32s3/sunton-esp32-s3-tft.ini
index 40f25641..2a3bd9cf 100644
--- a/user_setups/esp32s3/sunton-esp32-s3-tft.ini
+++ b/user_setups/esp32s3/sunton-esp32-s3-tft.ini
@@ -232,7 +232,7 @@ build_flags =
     -D TFT_VSYNC_PULSE_WIDTH=13
     -D TFT_VSYNC_BACK_PORCH=10
     -D TFT_PCLK_ACTIVE_NEG=1
-    -D TFT_PREFER_SPEED=14000000
+    -D TFT_PREFER_SPEED=12000000
     -D TFT_AUTO_FLUSH=1
     ; Touch Settings
     -D TOUCH_WIDTH=800