diff --git a/platforms/chibios/boards/GENERIC_STM32_G431XB/configs/hal_lld.h b/platforms/chibios/boards/GENERIC_STM32_G431XB/configs/hal_lld.h
new file mode 100644
index 00000000000..15d7fbec0b4
--- /dev/null
+++ b/platforms/chibios/boards/GENERIC_STM32_G431XB/configs/hal_lld.h
@@ -0,0 +1,8 @@
+// Copyright 2024 QMK
+// SPDX-License-Identifier: GPL-2.0-or-later
+#pragma once
+
+// TODO: Remove when upstream no longer requires patching
+#include <stm32_registry.h>
+
+#include_next <hal_lld.h>
diff --git a/platforms/chibios/boards/GENERIC_STM32_G431XB/configs/stm32_registry.h b/platforms/chibios/boards/GENERIC_STM32_G431XB/configs/stm32_registry.h
new file mode 100644
index 00000000000..766df5a78ee
--- /dev/null
+++ b/platforms/chibios/boards/GENERIC_STM32_G431XB/configs/stm32_registry.h
@@ -0,0 +1,14 @@
+// Copyright 2024 QMK
+// SPDX-License-Identifier: GPL-2.0-or-later
+#pragma once
+
+// TODO: Remove when STM32_FLASH_SECTORS_PER_BANK fixed upstream
+#ifndef STM32_FLASH_SECTORS_PER_BANK
+#    define STM32_FLASH_SECTORS_PER_BANK 64
+#endif
+
+#include_next <stm32_registry.h>
+
+// TODO: Remove when STM32_FLASH_NUMBER_OF_BANKS fixed upstream
+#undef STM32_FLASH_NUMBER_OF_BANKS
+#define STM32_FLASH_NUMBER_OF_BANKS 1