diff --git a/scripts/perf/vhost/run_vhost_test.py b/scripts/perf/vhost/run_vhost_test.py
index 8ee235504..1abb0bc4b 100644
--- a/scripts/perf/vhost/run_vhost_test.py
+++ b/scripts/perf/vhost/run_vhost_test.py
@@ -40,7 +40,7 @@ def gen_spdk_cpu_mask_config(spdk_cpu_list):
     cpu_indexes.sort()
     print(cpu_indexes)
 
-    pr_core = "vhost_0_master_core=%s" % (cpu_indexes[0])
+    pr_core = "vhost_0_main_core=%s" % (cpu_indexes[0])
     return "\n".join([cpus, pr_core, "\n"])
 
 
@@ -177,7 +177,7 @@ cpu_cfg_load = subparsers.add_parser('load_cpu_cfg',
                                      test/vhost/common/autotest.config")
 cpu_cfg_load.add_argument('custom_mask_file', default=None,
                           help="Path to file with custom values for vhost's\
-                          reactor mask and master core, and each VM's qemu mask\
+                          reactor mask and main core, and each VM's qemu mask\
                           and qemu numa node")
 
 args = parser.parse_args()
diff --git a/test/vhost/common/autotest.config b/test/vhost/common/autotest.config
index 96b0d08be..0b0b8c340 100644
--- a/test/vhost/common/autotest.config
+++ b/test/vhost/common/autotest.config
@@ -1,5 +1,5 @@
 vhost_0_reactor_mask="[0]"
-vhost_0_master_core=0
+vhost_0_main_core=0
 
 VM_0_qemu_mask=1-2
 VM_0_qemu_numa_node=0
diff --git a/test/vhost/initiator/autotest.config b/test/vhost/initiator/autotest.config
index 61a1a2424..41d5d4d04 100644
--- a/test/vhost/initiator/autotest.config
+++ b/test/vhost/initiator/autotest.config
@@ -1,5 +1,5 @@
 vhost_0_reactor_mask=["0"]
-vhost_0_master_core=0
+vhost_0_main_core=0
 
 VM_0_qemu_mask=1-10
 VM_0_qemu_numa_node=0
diff --git a/test/vhost/lvol/autotest.config b/test/vhost/lvol/autotest.config
index 9b653cd7f..4e17b5383 100644
--- a/test/vhost/lvol/autotest.config
+++ b/test/vhost/lvol/autotest.config
@@ -1,5 +1,5 @@
 vhost_0_reactor_mask="[0-31]"
-vhost_0_master_core=0
+vhost_0_main_core=0
 
 VM_0_qemu_mask=1
 VM_0_qemu_numa_node=0
diff --git a/test/vhost/perf_bench/vhost_perf.sh b/test/vhost/perf_bench/vhost_perf.sh
index 83edfab87..e6e879894 100755
--- a/test/vhost/perf_bench/vhost_perf.sh
+++ b/test/vhost/perf_bench/vhost_perf.sh
@@ -198,8 +198,8 @@ if [[ -n $custom_cpu_cfg ]]; then
 	source $custom_cpu_cfg
 	vhost_reactor_mask="vhost_${vhost_num}_reactor_mask"
 	vhost_reactor_mask="${!vhost_reactor_mask}"
-	vhost_master_core="vhost_${vhost_num}_master_core"
-	vhost_master_core="${!vhost_master_core}"
+	vhost_main_core="vhost_${vhost_num}_main_core"
+	vhost_main_core="${!vhost_main_core}"
 fi
 
 if [[ -z $fio_jobs ]]; then
@@ -301,7 +301,7 @@ if [[ "$ctrl_type" == "kernel_vhost" ]]; then
 	targetcli ls
 else
 	notice "Configuring SPDK vhost..."
-	vhost_run "${vhost_num}" "--no-gen-nvme" "-p ${vhost_master_core}" "-m ${vhost_reactor_mask}"
+	vhost_run "${vhost_num}" "--no-gen-nvme" "-p ${vhost_main_core}" "-m ${vhost_reactor_mask}"
 	notice "..."
 
 	if [[ $use_split == true ]]; then