diff --git a/drivers/mtd_sdmmc/mtd_sdmmc.c b/drivers/mtd_sdmmc/mtd_sdmmc.c
index ab0881af0d..615704726d 100644
--- a/drivers/mtd_sdmmc/mtd_sdmmc.c
+++ b/drivers/mtd_sdmmc/mtd_sdmmc.c
@@ -250,5 +250,8 @@ MTD_SDMMC_DEV(0, CONFIG_SDMMC_GENERIC_MTD_OFFSET);
 #ifdef MODULE_FATFS_VFS
 MTD_SDMMC_DEV_FS(0, CONFIG_SDMMC_GENERIC_MTD_OFFSET, fatfs);
 #endif
+#ifdef MODULE_LWEXT4
+MTD_SDMMC_DEV_FS(0, CONFIG_SDMMC_GENERIC_MTD_OFFSET, lwext4);
+#endif
 
 #endif