diff --git a/test/unit/lib/bdev/bdev_raid.c/bdev_raid_ut.c b/test/unit/lib/bdev/bdev_raid.c/bdev_raid_ut.c
index dbdb9f832..22fd88928 100644
--- a/test/unit/lib/bdev/bdev_raid.c/bdev_raid_ut.c
+++ b/test/unit/lib/bdev/bdev_raid.c/bdev_raid_ut.c
@@ -1469,7 +1469,7 @@ test_write_io(void)
 		io_len = (g_strip_size / 2) << i;
 		bdev_io_initialize(bdev_io, &pbdev->bdev, lba, io_len, SPDK_BDEV_IO_TYPE_WRITE);
 		lba += g_strip_size;
-		memset(g_io_output, 0, (g_max_io_size / g_strip_size) + 1 * sizeof(struct io_output));
+		memset(g_io_output, 0, ((g_max_io_size / g_strip_size) + 1) * sizeof(struct io_output));
 		g_io_output_index = 0;
 		raid_bdev_submit_request(ch, bdev_io);
 		verify_io(bdev_io, req.base_bdevs.num_base_bdevs, ch_ctx, pbdev,
@@ -1548,7 +1548,7 @@ test_read_io(void)
 		io_len = (g_strip_size / 2) << i;
 		bdev_io_initialize(bdev_io, &pbdev->bdev, lba, io_len, SPDK_BDEV_IO_TYPE_READ);
 		lba += g_strip_size;
-		memset(g_io_output, 0, (g_max_io_size / g_strip_size) + 1 * sizeof(struct io_output));
+		memset(g_io_output, 0, ((g_max_io_size / g_strip_size) + 1) * sizeof(struct io_output));
 		g_io_output_index = 0;
 		raid_bdev_submit_request(ch, bdev_io);
 		verify_io(bdev_io, req.base_bdevs.num_base_bdevs, ch_ctx, pbdev,
@@ -1782,7 +1782,7 @@ test_io_failure(void)
 		io_len = (g_strip_size / 2) << count;
 		bdev_io_initialize(bdev_io, &pbdev->bdev, lba, io_len, SPDK_BDEV_IO_TYPE_INVALID);
 		lba += g_strip_size;
-		memset(g_io_output, 0, (g_max_io_size / g_strip_size) + 1 * sizeof(struct io_output));
+		memset(g_io_output, 0, ((g_max_io_size / g_strip_size) + 1) * sizeof(struct io_output));
 		g_io_output_index = 0;
 		raid_bdev_submit_request(ch, bdev_io);
 		verify_io(bdev_io, req.base_bdevs.num_base_bdevs, ch_ctx, pbdev,
@@ -1800,7 +1800,7 @@ test_io_failure(void)
 		io_len = (g_strip_size / 2) << count;
 		bdev_io_initialize(bdev_io, &pbdev->bdev, lba, io_len, SPDK_BDEV_IO_TYPE_WRITE);
 		lba += g_strip_size;
-		memset(g_io_output, 0, (g_max_io_size / g_strip_size) + 1 * sizeof(struct io_output));
+		memset(g_io_output, 0, ((g_max_io_size / g_strip_size) + 1) * sizeof(struct io_output));
 		g_io_output_index = 0;
 		raid_bdev_submit_request(ch, bdev_io);
 		verify_io(bdev_io, req.base_bdevs.num_base_bdevs, ch_ctx, pbdev,
@@ -2191,7 +2191,7 @@ test_multi_raid_with_io(void)
 		SPDK_CU_ASSERT_FATAL(bdev_io != NULL);
 		io_len = g_strip_size;
 		iotype = (i) ? SPDK_BDEV_IO_TYPE_WRITE : SPDK_BDEV_IO_TYPE_READ;
-		memset(g_io_output, 0, (g_max_io_size / g_strip_size) + 1 * sizeof(struct io_output));
+		memset(g_io_output, 0, ((g_max_io_size / g_strip_size) + 1) * sizeof(struct io_output));
 		g_io_output_index = 0;
 		TAILQ_FOREACH(pbdev, &g_raid_bdev_list, global_link) {
 			if (strcmp(pbdev->bdev.name, construct_req[i].name) == 0) {