diff --git a/test/unit/lib/nvme/nvme_ns_ocssd_cmd.c/nvme_ns_ocssd_cmd_ut.c b/test/unit/lib/nvme/nvme_ns_ocssd_cmd.c/nvme_ns_ocssd_cmd_ut.c
index 5d9fc6f9c..d872e80dc 100644
--- a/test/unit/lib/nvme/nvme_ns_ocssd_cmd.c/nvme_ns_ocssd_cmd_ut.c
+++ b/test/unit/lib/nvme/nvme_ns_ocssd_cmd.c/nvme_ns_ocssd_cmd_ut.c
@@ -39,6 +39,8 @@
 
 #include "common/lib/test_env.c"
 
+#define OCSSD_SECTOR_SIZE 0x1000
+
 DEFINE_STUB(spdk_nvme_qpair_process_completions, int32_t,
 	    (struct spdk_nvme_qpair *qpair,
 	     uint32_t max_completions), 0);
@@ -178,7 +180,7 @@ static void
 test_nvme_ocssd_ns_cmd_vector_reset_single_entry(void)
 {
 	const uint32_t	max_xfer_size = 0x10000;
-	const uint32_t	sector_size = 0x1000;
+	const uint32_t	sector_size = OCSSD_SECTOR_SIZE;
 
 	struct spdk_nvme_ns	ns;
 	struct spdk_nvme_ctrlr	ctrlr;
@@ -208,7 +210,7 @@ static void
 test_nvme_ocssd_ns_cmd_vector_reset(void)
 {
 	const uint32_t	max_xfer_size = 0x10000;
-	const uint32_t	sector_size = 0x1000;
+	const uint32_t	sector_size = OCSSD_SECTOR_SIZE;
 	const uint32_t	vector_size = 0x10;
 
 	struct spdk_nvme_ns	ns;
@@ -238,7 +240,7 @@ static void
 test_nvme_ocssd_ns_cmd_vector_read_with_md_single_entry(void)
 {
 	const uint32_t	max_xfer_size = 0x10000;
-	const uint32_t	sector_size = 0x1000;
+	const uint32_t	sector_size = OCSSD_SECTOR_SIZE;
 	const uint32_t	md_size = 0x80;
 
 	struct spdk_nvme_ns	ns;
@@ -263,7 +265,7 @@ test_nvme_ocssd_ns_cmd_vector_read_with_md_single_entry(void)
 	SPDK_CU_ASSERT_FATAL(g_request->num_children == 0);
 
 	CU_ASSERT(g_request->payload.md == metadata);
-	CU_ASSERT(g_request->payload_size == PAGE_SIZE);
+	CU_ASSERT(g_request->payload_size == OCSSD_SECTOR_SIZE);
 	CU_ASSERT(g_request->payload.contig_or_cb_arg == buffer);
 	CU_ASSERT(g_request->cmd.opc == SPDK_OCSSD_OPC_VECTOR_READ);
 	CU_ASSERT(g_request->cmd.nsid == ns.id);
@@ -281,7 +283,7 @@ static void
 test_nvme_ocssd_ns_cmd_vector_read_with_md(void)
 {
 	const uint32_t	max_xfer_size = 0x10000;
-	const uint32_t	sector_size = 0x1000;
+	const uint32_t	sector_size = OCSSD_SECTOR_SIZE;
 	const uint32_t	md_size = 0x80;
 	const uint32_t	vector_size = 0x10;
 
@@ -325,7 +327,7 @@ static void
 test_nvme_ocssd_ns_cmd_vector_read_single_entry(void)
 {
 	const uint32_t	max_xfer_size = 0x10000;
-	const uint32_t	sector_size = 0x1000;
+	const uint32_t	sector_size = OCSSD_SECTOR_SIZE;
 
 	struct spdk_nvme_ns	ns;
 	struct spdk_nvme_ctrlr	ctrlr;
@@ -346,7 +348,7 @@ test_nvme_ocssd_ns_cmd_vector_read_single_entry(void)
 	SPDK_CU_ASSERT_FATAL(g_request != NULL);
 	SPDK_CU_ASSERT_FATAL(g_request->num_children == 0);
 
-	CU_ASSERT(g_request->payload_size == PAGE_SIZE);
+	CU_ASSERT(g_request->payload_size == OCSSD_SECTOR_SIZE);
 	CU_ASSERT(g_request->payload.contig_or_cb_arg == buffer);
 	CU_ASSERT(g_request->cmd.opc == SPDK_OCSSD_OPC_VECTOR_READ);
 	CU_ASSERT(g_request->cmd.nsid == ns.id);
@@ -362,7 +364,7 @@ static void
 test_nvme_ocssd_ns_cmd_vector_read(void)
 {
 	const uint32_t	max_xfer_size = 0x10000;
-	const uint32_t	sector_size = 0x1000;
+	const uint32_t	sector_size = OCSSD_SECTOR_SIZE;
 	const uint32_t	vector_size = 0x10;
 
 	struct spdk_nvme_ns	ns;
@@ -399,7 +401,7 @@ static void
 test_nvme_ocssd_ns_cmd_vector_write_with_md_single_entry(void)
 {
 	const uint32_t	max_xfer_size = 0x10000;
-	const uint32_t	sector_size = 0x1000;
+	const uint32_t	sector_size = OCSSD_SECTOR_SIZE;
 	const uint32_t	md_size = 0x80;
 
 	struct spdk_nvme_ns	ns;
@@ -424,7 +426,7 @@ test_nvme_ocssd_ns_cmd_vector_write_with_md_single_entry(void)
 	SPDK_CU_ASSERT_FATAL(g_request->num_children == 0);
 
 	CU_ASSERT(g_request->payload.md == metadata);
-	CU_ASSERT(g_request->payload_size == PAGE_SIZE);
+	CU_ASSERT(g_request->payload_size == OCSSD_SECTOR_SIZE);
 	CU_ASSERT(g_request->payload.contig_or_cb_arg == buffer);
 	CU_ASSERT(g_request->cmd.opc == SPDK_OCSSD_OPC_VECTOR_WRITE);
 	CU_ASSERT(g_request->cmd.nsid == ns.id);
@@ -443,7 +445,7 @@ static void
 test_nvme_ocssd_ns_cmd_vector_write_with_md(void)
 {
 	const uint32_t	max_xfer_size = 0x10000;
-	const uint32_t	sector_size = 0x1000;
+	const uint32_t	sector_size = OCSSD_SECTOR_SIZE;
 	const uint32_t	md_size = 0x80;
 	const uint32_t	vector_size = 0x10;
 
@@ -487,7 +489,7 @@ static void
 test_nvme_ocssd_ns_cmd_vector_write_single_entry(void)
 {
 	const uint32_t	max_xfer_size = 0x10000;
-	const uint32_t	sector_size = 0x1000;
+	const uint32_t	sector_size = OCSSD_SECTOR_SIZE;
 
 	struct spdk_nvme_ns	ns;
 	struct spdk_nvme_ctrlr	ctrlr;
@@ -508,7 +510,7 @@ test_nvme_ocssd_ns_cmd_vector_write_single_entry(void)
 	SPDK_CU_ASSERT_FATAL(g_request != NULL);
 	SPDK_CU_ASSERT_FATAL(g_request->num_children == 0);
 
-	CU_ASSERT(g_request->payload_size == PAGE_SIZE);
+	CU_ASSERT(g_request->payload_size == OCSSD_SECTOR_SIZE);
 	CU_ASSERT(g_request->payload.contig_or_cb_arg == buffer);
 	CU_ASSERT(g_request->cmd.opc == SPDK_OCSSD_OPC_VECTOR_WRITE);
 	CU_ASSERT(g_request->cmd.nsid == ns.id);
@@ -525,7 +527,7 @@ static void
 test_nvme_ocssd_ns_cmd_vector_write(void)
 {
 	const uint32_t	max_xfer_size = 0x10000;
-	const uint32_t	sector_size = 0x1000;
+	const uint32_t	sector_size = OCSSD_SECTOR_SIZE;
 	const uint32_t	vector_size = 0x10;
 
 	struct spdk_nvme_ns	ns;
@@ -564,7 +566,7 @@ static void
 test_nvme_ocssd_ns_cmd_vector_copy_single_entry(void)
 {
 	const uint32_t	max_xfer_size = 0x10000;
-	const uint32_t	sector_size = 0x1000;
+	const uint32_t	sector_size = OCSSD_SECTOR_SIZE;
 
 	struct spdk_nvme_ns	ns;
 	struct spdk_nvme_ctrlr	ctrlr;
@@ -596,7 +598,7 @@ static void
 test_nvme_ocssd_ns_cmd_vector_copy(void)
 {
 	const uint32_t	max_xfer_size = 0x10000;
-	const uint32_t	sector_size = 0x1000;
+	const uint32_t	sector_size = OCSSD_SECTOR_SIZE;
 	const uint32_t	vector_size = 0x10;
 
 	struct spdk_nvme_ns	ns;