diff --git a/src/frostfs_testlib/resources/error_patterns.py b/src/frostfs_testlib/resources/error_patterns.py
index 3b9231e..3ba5f13 100644
--- a/src/frostfs_testlib/resources/error_patterns.py
+++ b/src/frostfs_testlib/resources/error_patterns.py
@@ -29,3 +29,4 @@ S3_MALFORMED_XML_REQUEST = "The XML you provided was not well-formed or did not
 RULE_ACCESS_DENIED_CONTAINER = "access to container operation {operation} is denied by access policy engine: Access denied"
 RULE_ACCESS_DENIED_OBJECT = "access to object operation denied: ape denied request: method {operation}: Access denied"
 NO_RULE_FOUND_CONTAINER = "access to container operation {operation} is denied by access policy engine: NoRuleFound"
+NO_RULE_FOUND_OBJECT = "access to object operation denied: ape denied request: method {operation}: NoRuleFound"