diff --git a/leenkx/Sources/leenkx/trait/physics/PhysicsConstraint.hx b/leenkx/Sources/leenkx/trait/physics/PhysicsConstraint.hx
index 5ac6d91..1d6ea38 100644
--- a/leenkx/Sources/leenkx/trait/physics/PhysicsConstraint.hx
+++ b/leenkx/Sources/leenkx/trait/physics/PhysicsConstraint.hx
@@ -3,17 +3,16 @@ package leenkx.trait.physics;
 #if (!lnx_physics)
 
 class PhysicsConstraint extends iron.Trait { public function new() { super(); } }
+@:enum abstract ConstraintAxis(Int) from Int to Int { }
 
 #else
 
 	#if lnx_bullet
-
 	typedef PhysicsConstraint = leenkx.trait.physics.bullet.PhysicsConstraint;
-
+	typedef ConstraintAxis = armory.trait.physics.bullet.PhysicsConstraint.ConstraintAxis;
 	#else
-
 	typedef PhysicsConstraint = leenkx.trait.physics.oimo.PhysicsConstraint;
-
+	typedef ConstraintAxis = armory.trait.physics.oimo.PhysicsConstraint.ConstraintAxis;
 	#end
 
 #end