diff --git a/src/frostfs_testlib/storage/dataclasses/frostfs_services.py b/src/frostfs_testlib/storage/dataclasses/frostfs_services.py
index 2b52c1f..23e3335 100644
--- a/src/frostfs_testlib/storage/dataclasses/frostfs_services.py
+++ b/src/frostfs_testlib/storage/dataclasses/frostfs_services.py
@@ -16,7 +16,7 @@ class InnerRing(NodeBase):
     """
 
     def service_healthcheck(self) -> bool:
-        health_metric = "frostfs_node_ir_health"
+        health_metric = "frostfs_ir_ir_health"
         output = (
             self.host.get_shell()
             .exec(f"curl -s localhost:6662 | grep {health_metric} | sed 1,2d")
@@ -167,7 +167,7 @@ class StorageNode(NodeBase):
 
     def get_un_locode(self):
         return self._get_attribute(ConfigAttributes.UN_LOCODE)
-    
+
     def get_data_directory(self) -> str:
         return self.host.get_data_directory(self.name)