diff --git a/core/embed/trezorhal/boards/trezor_t3w1_d1.h b/core/embed/trezorhal/boards/trezor_t3w1_d1.h
index 2abefa6b9..3e9417700 100644
--- a/core/embed/trezorhal/boards/trezor_t3w1_d1.h
+++ b/core/embed/trezorhal/boards/trezor_t3w1_d1.h
@@ -1,6 +1,8 @@
 #ifndef _TREZOR_T3W1_H
 #define _TREZOR_T3W1_H
 
+#define HSE_8MHZ
+
 #define DISPLAY_RESX 240
 #define DISPLAY_RESY 320