diff --git a/variants/STM32G4xx/G431C(6-8-B)U_G441CBU/variant_B_G431B_ESC1.h b/variants/STM32G4xx/G431C(6-8-B)U_G441CBU/variant_B_G431B_ESC1.h
index 04073db29f..a00af9d73b 100644
--- a/variants/STM32G4xx/G431C(6-8-B)U_G441CBU/variant_B_G431B_ESC1.h
+++ b/variants/STM32G4xx/G431C(6-8-B)U_G441CBU/variant_B_G431B_ESC1.h
@@ -214,7 +214,7 @@
 #endif
 
 /* HAL configuration */
-#define HSE_VALUE               (24000000UL)
+#define HSE_VALUE               (8000000UL)
 
 /* Extra HAL modules */
 #if !defined(HAL_DAC_MODULE_DISABLED)