diff --git a/Content.Server/Polymorph/Systems/PolymorphSystem.cs b/Content.Server/Polymorph/Systems/PolymorphSystem.cs
index 90fd3ec663..aef9267eae 100644
--- a/Content.Server/Polymorph/Systems/PolymorphSystem.cs
+++ b/Content.Server/Polymorph/Systems/PolymorphSystem.cs
@@ -272,7 +272,7 @@ public sealed partial class PolymorphSystem : EntitySystem
 
         if (configuration.TransferHumanoidAppearance)
         {
-            _humanoid.CloneAppearance(uid, child);
+            _humanoid.CloneAppearance(child, uid);
         }
 
         if (_mindSystem.TryGetMind(uid, out var mindId, out var mind))