diff --git a/sys/dev/mfi/mfi.c b/sys/dev/mfi/mfi.c
index 2bfcc83fdb2a..e1737c030b08 100644
--- a/sys/dev/mfi/mfi.c
+++ b/sys/dev/mfi/mfi.c
@@ -3361,7 +3361,7 @@ mfi_ioctl(struct cdev *dev, u_long cmd, caddr_t arg, int flag, struct thread *td
 		if (cm->cm_frame->header.cmd == MFI_CMD_STP) {
 			for (i = 0; i < 2; i++) {
 				if (sc->kbuff_arr[i]) {
-					if (sc->mfi_kbuff_arr_busaddr != 0)
+					if (sc->mfi_kbuff_arr_busaddr[i] != 0)
 						bus_dmamap_unload(
 						    sc->mfi_kbuff_arr_dmat[i],
 						    sc->mfi_kbuff_arr_dmamap[i]