diff --git a/drivers/spi/mxs_spi.c b/drivers/spi/mxs_spi.c
index a037c130efa5c09557c4be0a5552129222fc2759..5fa7f2b73c52b22e26919714dd66fcda8495639c 100644
--- a/drivers/spi/mxs_spi.c
+++ b/drivers/spi/mxs_spi.c
@@ -91,7 +91,7 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
 		return NULL;
 	}
 
-	mxs_slave = malloc(sizeof(struct mxs_spi_slave));
+	mxs_slave = calloc(sizeof(struct mxs_spi_slave), 1);
 	if (!mxs_slave)
 		return NULL;