diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index a262a0b..95009f9 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -1184,6 +1184,7 @@
 	host->ios.bus_mode = MMC_BUSMODE_PUSHPULL;
 	host->ios.bus_width = MMC_BUS_WIDTH_1;
 	host->ios.timing = MMC_TIMING_LEGACY;
+	host->ios.drv_type = 0;
 
 	mmc_set_ios(host);
 }