diff --git a/tests/nvme/014 b/tests/nvme/014
index 31bfeb76d13d..c02167142cb3 100755
--- a/tests/nvme/014
+++ b/tests/nvme/014
@@ -39,7 +39,7 @@ test() {
 	dd if=/dev/urandom of="/dev/${nvmedev}n1" \
 		count="${count}" bs="${bs}" status=none
 
-	nvme flush "/dev/${nvmedev}" -n 1
+	nvme flush "/dev/${nvmedev}" --namespace-id 1
 
 	_nvme_disconnect_subsys "${def_subsysnqn}"
 
diff --git a/tests/nvme/015 b/tests/nvme/015
index 4315ffa57577..8ea90f10bda7 100755
--- a/tests/nvme/015
+++ b/tests/nvme/015
@@ -39,7 +39,7 @@ test() {
 	dd if=/dev/urandom of="/dev/${nvmedev}n1" \
 		count="${count}" bs="${bs}" status=none
 
-	nvme flush "/dev/${nvmedev}n1" -n 1
+	nvme flush "/dev/${nvmedev}n1" --namespace-id 1
 
 	_nvme_disconnect_subsys "${def_subsysnqn}"
 
diff --git a/tests/nvme/018 b/tests/nvme/018
index e90173098ec1..e631434d7bd6 100755
--- a/tests/nvme/018
+++ b/tests/nvme/018
@@ -35,7 +35,8 @@ test() {
 	sectors="$(blockdev --getsz "/dev/${nvmedev}n1")"
 	bs="$(blockdev --getbsz "/dev/${nvmedev}n1")"
 
-	nvme read "/dev/${nvmedev}n1" -s "$sectors" -c 0 -z "$bs" &>"$FULL" \
+	nvme read "/dev/${nvmedev}n1" --start-block "$sectors" \
+		--block-count 0 --data-size "$bs" &>"$FULL" \
 		&& echo "ERROR: nvme read for out of range LBA was not rejected"
 
 	_nvme_disconnect_subsys "${def_subsysnqn}"
diff --git a/tests/nvme/019 b/tests/nvme/019
index a1035ff8d8c7..3ab22e2cba01 100755
--- a/tests/nvme/019
+++ b/tests/nvme/019
@@ -31,7 +31,8 @@ test() {
 	nvmedev=$(_find_nvme_dev "${def_subsysnqn}")
 	_check_uuid "${nvmedev}"
 
-	nvme dsm "/dev/${nvmedev}" -n 1 -d -s "${sblk_range}" -b "${nblk_range}"
+	nvme dsm "/dev/${nvmedev}" --namespace-id 1 --ad \
+		--slbs "${sblk_range}" --blocks "${nblk_range}"
 
 	_nvme_disconnect_subsys "${def_subsysnqn}"
 
diff --git a/tests/nvme/020 b/tests/nvme/020
index ba3f4c8a5b3d..10de114b83af 100755
--- a/tests/nvme/020
+++ b/tests/nvme/020
@@ -30,7 +30,8 @@ test() {
 	nvmedev=$(_find_nvme_dev "${def_subsysnqn}")
 	_check_uuid "${nvmedev}"
 
-	nvme dsm "/dev/${nvmedev}" -n 1 -d -s "${sblk_range}" -b "${nblk_range}"
+	nvme dsm "/dev/${nvmedev}" --namespace-id 1 --ad \
+		--slbs "${sblk_range}" --blocks "${nblk_range}"
 
 	_nvme_disconnect_subsys "${def_subsysnqn}"
 
diff --git a/tests/nvme/023 b/tests/nvme/023
index 4e4d838ef6c9..58f03e8603a7 100755
--- a/tests/nvme/023
+++ b/tests/nvme/023
@@ -29,7 +29,8 @@ test() {
 	nvmedev=$(_find_nvme_dev "${def_subsysnqn}")
 	_check_uuid "${nvmedev}"
 
-	if ! nvme smart-log "/dev/${nvmedev}" -n 1 >> "$FULL" 2>&1; then
+	if ! nvme smart-log "/dev/${nvmedev}" --namespace-id 1 \
+		>> "$FULL" 2>&1; then
 		echo "ERROR: smart-log bdev-ns failed"
 	fi
 
diff --git a/tests/nvme/024 b/tests/nvme/024
index 2535a9a78d23..4608f015c4c3 100755
--- a/tests/nvme/024
+++ b/tests/nvme/024
@@ -29,7 +29,8 @@ test() {
 	nvmedev=$(_find_nvme_dev "${def_subsysnqn}")
 	_check_uuid "${nvmedev}"
 
-	if ! nvme smart-log "/dev/${nvmedev}" -n 1 >> "$FULL" 2>&1; then
+	if ! nvme smart-log "/dev/${nvmedev}" --namespace-id 1 \
+		>> "$FULL" 2>&1; then
 		echo "ERROR: smart-log file-ns failed"
 	fi
 	_nvme_disconnect_subsys "${def_subsysnqn}" >> "$FULL" 2>&1
diff --git a/tests/nvme/026 b/tests/nvme/026
index 5a7d9927b44b..d5e13db0a916 100755
--- a/tests/nvme/026
+++ b/tests/nvme/026
@@ -29,7 +29,8 @@ test() {
 	nvmedev=$(_find_nvme_dev "${def_subsysnqn}")
 	_check_uuid "${nvmedev}"
 
-	if ! nvme ns-descs "/dev/${nvmedev}" -n 1 >> "$FULL" 2>&1; then
+	if ! nvme ns-descs "/dev/${nvmedev}" --namespace-id 1 \
+		>> "$FULL" 2>&1; then
 		echo "ERROR: ns-desc failed"
 	fi
 
diff --git a/tests/nvme/045 b/tests/nvme/045
index be408b629771..9e5cb54e9533 100755
--- a/tests/nvme/045
+++ b/tests/nvme/045
@@ -68,7 +68,7 @@ test() {
 
 	echo "Renew host key on the controller"
 
-	new_hostkey="$(nvme gen-dhchap-key -n ${def_subsysnqn} 2> /dev/null)"
+	new_hostkey="$(nvme gen-dhchap-key --nqn ${def_subsysnqn} 2> /dev/null)"
 
 	_set_nvmet_hostkey "${def_hostnqn}" "${new_hostkey}"
 
@@ -78,7 +78,7 @@ test() {
 
 	echo "Renew ctrl key on the controller"
 
-	new_ctrlkey="$(nvme gen-dhchap-key -n ${def_subsysnqn} 2> /dev/null)"
+	new_ctrlkey="$(nvme gen-dhchap-key --nqn ${def_subsysnqn} 2> /dev/null)"
 
 	_set_nvmet_ctrlkey "${def_hostnqn}" "${new_ctrlkey}"
 
diff --git a/tests/nvme/046 b/tests/nvme/046
index 7576a24f234d..ea68d4079403 100755
--- a/tests/nvme/046
+++ b/tests/nvme/046
@@ -25,13 +25,14 @@ test_device() {
 
 	chmod g+r,o+r "$ngdev"
 
-	if ! _run_user "nvme io-passthru ${ngdev} --opcode 2 -l 4096 \
-		-n $nsid -r" >> "${FULL}" 2>&1; then
+	if ! _run_user "nvme io-passthru ${ngdev} --opcode 2 --data-len 4096 \
+		--namespace-id $nsid --read" >> "${FULL}" 2>&1; then
 		echo "Error: io-passthru read failed"
 	fi
 
 	if _run_user "echo hello | nvme io-passthru ${ngdev} --opcode 1 \
-		-l 4096 -n $nsid -r" >> "${FULL}" 2>&1; then
+		--data-len 4096 --namespace-id $nsid --read" \
+		>> "${FULL}" 2>&1; then
 		echo "Error: io-passthru write passed (unexpected)"
 	fi
 
