diff --git a/netmap/json_tests/subnet.json b/netmap/json_tests/subnet.json
index fdefe1b4..ba3d1499 100644
--- a/netmap/json_tests/subnet.json
+++ b/netmap/json_tests/subnet.json
@@ -12,7 +12,7 @@
           "value": "Paris"
         },
         {
-          "key": "__NEOFS__SUBNET_0",
+          "key": "__SYSTEM__SUBNET_0",
           "value": "False"
         }
       ],
@@ -42,7 +42,7 @@
           "value": "London"
         },
         {
-          "key": "__NEOFS__SUBNET_1",
+          "key": "__SYSTEM__SUBNET_1",
           "value": "True"
         }
       ],
@@ -72,7 +72,7 @@
           "value": "Toronto"
         },
         {
-          "key": "__NEOFS__SUBNET_1",
+          "key": "__SYSTEM__SUBNET_1",
           "value": "True"
         }
       ],
@@ -89,7 +89,7 @@
           "value": "Toronto"
         },
         {
-          "key": "__NEOFS__SUBNET_2",
+          "key": "__SYSTEM__SUBNET_2",
           "value": "True"
         }
       ],
@@ -106,7 +106,7 @@
           "value": "Tokyo"
         },
         {
-          "key": "__NEOFS__SUBNET_2",
+          "key": "__SYSTEM__SUBNET_2",
           "value": "True"
         }
       ],
@@ -123,7 +123,7 @@
           "value": "Tokyo"
         },
         {
-          "key": "__NEOFS__SUBNET_2",
+          "key": "__SYSTEM__SUBNET_2",
           "value": "True"
         }
       ],
@@ -242,7 +242,7 @@
         "filters": [
           {
             "name": "F",
-            "key": "__NEOFS_SUBNET.2.ENABLED",
+            "key": "__SYSTEM__SUBNET.2.ENABLED",
             "op": "EQ",
             "value": "True"
           }
diff --git a/netmap/node_info.go b/netmap/node_info.go
index c56ffadc..4bf60f83 100644
--- a/netmap/node_info.go
+++ b/netmap/node_info.go
@@ -54,7 +54,7 @@ func (x *NodeInfo) readFromV2(m netmap.NodeInfo, checkFieldPresence bool) error
 			return fmt.Errorf("duplicated attbiuted %s", key)
 		}
 
-		const subnetPrefix = "__NEOFS__SUBNET_"
+		const subnetPrefix = "__SYSTEM__SUBNET_"
 
 		switch {
 		case key == attrCapacity: