diff --git a/firmware/hw_layer/mass_storage/mass_storage.mk b/firmware/hw_layer/mass_storage/mass_storage.mk
index cfebe5a517..2f4e743846 100644
--- a/firmware/hw_layer/mass_storage/mass_storage.mk
+++ b/firmware/hw_layer/mass_storage/mass_storage.mk
@@ -1,2 +1,3 @@
 
-HW_MASS_STORAGE_SRC_C = $(PROJECT_DIR)/hw_layer/mass_storage/usb_msd_cfg.c
+HW_MASS_STORAGE_SRC_C = $(PROJECT_DIR)/hw_layer/mass_storage/usb_msd_cfg.c \
+  $(PROJECT_DIR)/ChibiOS-Contrib/os/various/lib_scsi.c