diff --git a/.clang-tidy b/.clang-tidy
index b7a33451..f74eae65 100644
--- a/.clang-tidy
+++ b/.clang-tidy
@@ -22,7 +22,7 @@ CheckOptions:
   - { key: readability-identifier-naming.FunctionCase,           value: camelBack  }
   - { key: readability-identifier-naming.VariableCase,           value: camelBack  }
   - { key: readability-identifier-naming.PrivateMemberCase,      value: camelBack  }
-  - { key: readability-identifier-naming.PrivateMemberPrefix,    value: m_         }
+  - { key: readability-identifier-naming.PrivateMemberSuffix,    value: _          }
   - { key: readability-identifier-naming.EnumCase,               value: CamelCase  }
   - { key: readability-identifier-naming.EnumConstantCase,       value: UPPER_CASE }
   - { key: readability-identifier-naming.GlobalConstantCase,     value: UPPER_CASE }