diff --git a/drivers/net/wireless/ti/wlcore/spi.c b/drivers/net/wireless/ti/wlcore/spi.c
index 76838a4a74ce..9d18f2ff57d0 100644
--- a/drivers/net/wireless/ti/wlcore/spi.c
+++ b/drivers/net/wireless/ti/wlcore/spi.c
@@ -270,7 +270,7 @@ static int __must_check wl12xx_spi_raw_write(struct device *child, int addr,
 					     void *buf, size_t len, bool fixed)
 {
 	struct wl12xx_spi_glue *glue = dev_get_drvdata(child->parent);
-	struct spi_transfer t[2 * WSPI_MAX_NUM_OF_CHUNKS];
+	struct spi_transfer t[2 * (WSPI_MAX_NUM_OF_CHUNKS + 1)];
 	struct spi_message m;
 	u32 commands[WSPI_MAX_NUM_OF_CHUNKS];
 	u32 *cmd;