diff --git a/firmware/config/boards/hellen/hellen72/board.mk b/firmware/config/boards/hellen/hellen72/board.mk
index 9abd0dc3b5..32a5907b79 100644
--- a/firmware/config/boards/hellen/hellen72/board.mk
+++ b/firmware/config/boards/hellen/hellen72/board.mk
@@ -24,6 +24,9 @@ DDEFS += -DEFI_ICU_INPUTS=FALSE -DHAL_TRIGGER_USE_PAL=TRUE -DHAL_VSS_USE_PAL=TRU
 # todo: is it broken?
 DDEFS += -DEFI_LOGIC_ANALYZER=FALSE
 
+# USB mass storage support
+DDEFS += -DHAL_USE_COMMUNITY=TRUE -DHAL_USE_USB_MSD=TRUE
+
 # We are running on Hellen-One hardware!
 DDEFS += -DHW_HELLEN=1