diff --git a/ports/stm32/boards/PYBD_SF3/mpconfigboard.mk b/ports/stm32/boards/PYBD_SF3/mpconfigboard.mk
index 119ec8f82..abe3dcd86 100644
--- a/ports/stm32/boards/PYBD_SF3/mpconfigboard.mk
+++ b/ports/stm32/boards/PYBD_SF3/mpconfigboard.mk
@@ -17,6 +17,7 @@ MICROPY_PY_LWIP = 1
 MICROPY_PY_NETWORK_CYW43 = 1
 MICROPY_PY_USSL = 1
 MICROPY_SSL_MBEDTLS = 1
+MICROPY_VFS_LFS2 = 1
 
 # PYBD-specific frozen modules
 FROZEN_MANIFEST = boards/PYBD_SF2/manifest.py
diff --git a/ports/stm32/boards/PYBD_SF6/mpconfigboard.mk b/ports/stm32/boards/PYBD_SF6/mpconfigboard.mk
index ddc176e9c..bac516ab7 100644
--- a/ports/stm32/boards/PYBD_SF6/mpconfigboard.mk
+++ b/ports/stm32/boards/PYBD_SF6/mpconfigboard.mk
@@ -14,6 +14,7 @@ MICROPY_PY_LWIP = 1
 MICROPY_PY_NETWORK_CYW43 = 1
 MICROPY_PY_USSL = 1
 MICROPY_SSL_MBEDTLS = 1
+MICROPY_VFS_LFS2 = 1
 
 # PYBD-specific frozen modules
 FROZEN_MANIFEST = boards/PYBD_SF2/manifest.py