diff --git a/Adjust/Editor/AdjustEditor.cs b/Adjust/Editor/AdjustEditor.cs
index b81dadc..cd9a784 100644
--- a/Adjust/Editor/AdjustEditor.cs
+++ b/Adjust/Editor/AdjustEditor.cs
@@ -315,6 +315,9 @@ public class AdjustEditor : AssetPostprocessor
     private static void AddUniversalLinkDomains(PBXProject project, string xCodeProjectPath, string xCodeTarget)
     {
         string entitlementsFileName = "Unity-iPhone.entitlements";
+#if UNITY_2021_3
+        entitlementsFileName = "Unity-iPhone/Unity-iPhone.entitlements";
+#endif
 
         Debug.Log("[Adjust]: Adding associated domains to entitlements file.");
 #if UNITY_2019_3_OR_NEWER