diff --git a/CHANGELOG.md b/CHANGELOG.md
index 42de93c..3830377 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org) using the following scheme: MAJOR.MINOR.PATCH
 
+## [0.51.0] - 2026-06-14
+
+### Changed
+- Clean extrafields on decode init
+
 ## [0.50.0] - 2026-06-12
 
 ### Added
diff --git a/Sources/SwiftDolibarr/Models/Core/Common/CommonBusinessObject.swift b/Sources/SwiftDolibarr/Models/Core/Common/CommonBusinessObject.swift
index 7392a4d..6122845 100644
--- a/Sources/SwiftDolibarr/Models/Core/Common/CommonBusinessObject.swift
+++ b/Sources/SwiftDolibarr/Models/Core/Common/CommonBusinessObject.swift
@@ -123,7 +123,11 @@ public class CommonBusinessObject: Equatable, Codable, DolibarrBusinessObject {
 			}
 			self.entityId = try container.decodeIfPresent(String.self, forKey: .entityId)
 			if let dictArrayOptions = try? container.decode([String: MultiType].self, forKey: .arrayOptions) {
-				self.arrayOptions = dictArrayOptions
+				self.arrayOptions = Dictionary(
+					uniqueKeysWithValues: dictArrayOptions.map { key, value in
+						(key.hasPrefix("options_") ? String(key.dropFirst("options_".count)) : key, value)
+					}
+				)
 			} else {
 				self.arrayOptions = nil
 			}
diff --git a/Sources/SwiftDolibarr/Models/Core/Common/CommonBusinessObjectLine.swift b/Sources/SwiftDolibarr/Models/Core/Common/CommonBusinessObjectLine.swift
index b048cdc..b1e954f 100644
--- a/Sources/SwiftDolibarr/Models/Core/Common/CommonBusinessObjectLine.swift
+++ b/Sources/SwiftDolibarr/Models/Core/Common/CommonBusinessObjectLine.swift
@@ -80,7 +80,11 @@ public class CommonBusinessObjectLine: Equatable, Hashable, Codable, DolibarrObj
 			id = try container.decode(String.self, forKey: .id)
 			rang = try container.decode(String.self, forKey: .rang)
 			if let dictArrayOptions = try? container.decode([String: MultiType].self, forKey: .arrayOptions) {
-				self.arrayOptions = dictArrayOptions
+				self.arrayOptions = Dictionary(
+					uniqueKeysWithValues: dictArrayOptions.map { key, value in
+						(key.hasPrefix("options_") ? String(key.dropFirst("options_".count)) : key, value)
+					}
+				)
 			} else {
 				self.arrayOptions = nil
 			}