diff --git a/spine-unity/Assets/Spine/Runtime/spine-unity/Modules/Ragdoll/SkeletonRagdoll2D.cs b/spine-unity/Assets/Spine/Runtime/spine-unity/Modules/Ragdoll/SkeletonRagdoll2D.cs
index f66015a74..73593b46c 100644
--- a/spine-unity/Assets/Spine/Runtime/spine-unity/Modules/Ragdoll/SkeletonRagdoll2D.cs
+++ b/spine-unity/Assets/Spine/Runtime/spine-unity/Modules/Ragdoll/SkeletonRagdoll2D.cs
@@ -362,19 +362,25 @@ namespace Spine.Unity.Modules {
 			var skin = skeleton.Skin ?? skeleton.Data.DefaultSkin;
 
 			var attachments = new List<Attachment>();
-			foreach (Slot s in skeleton.Slots) {
-				if (s.bone == b) {
-					skin.FindAttachmentsForSlot(skeleton.Slots.IndexOf(s), attachments);
+			foreach (Slot slot in skeleton.Slots) {
+				if (slot.bone == b) {
+					skin.FindAttachmentsForSlot(skeleton.Slots.IndexOf(slot), attachments);
+
+					bool bbAttachmentAdded = false;
 					foreach (var a in attachments) {
 						var bbAttachment = a as BoundingBoxAttachment;
 						if (bbAttachment != null) {
 							if (!a.Name.ToLower().Contains(AttachmentNameMarker))
 								continue;
 
-							var bbCollider = SkeletonUtility.AddBoundingBoxAsComponent(bbAttachment, s, go, isTrigger: false, isKinematic: false, gravityScale: gravityScale);
+							bbAttachmentAdded = true;
+							var bbCollider = SkeletonUtility.AddBoundingBoxAsComponent(bbAttachment, slot, go, isTrigger: false);
 							colliders.Add(bbCollider);
 						}
 					}
+
+					if (bbAttachmentAdded)
+						SkeletonUtility.AddBoneRigidbody2D(go, isKinematic: false, gravityScale: gravityScale);
 				}
 			}
 
diff --git a/spine-unity/Assets/Spine/Runtime/spine-unity/SkeletonUtility/SkeletonUtility.cs b/spine-unity/Assets/Spine/Runtime/spine-unity/SkeletonUtility/SkeletonUtility.cs
index f580f86f5..bcbf4cff3 100644
--- a/spine-unity/Assets/Spine/Runtime/spine-unity/SkeletonUtility/SkeletonUtility.cs
+++ b/spine-unity/Assets/Spine/Runtime/spine-unity/SkeletonUtility/SkeletonUtility.cs
@@ -73,18 +73,8 @@ namespace Spine.Unity {
 			return AddBoundingBoxAsComponent(box, slot, go, isTrigger);
 		}
 
-		public static PolygonCollider2D AddBoundingBoxAsComponent (BoundingBoxAttachment box, Slot slot, GameObject gameObject, bool isTrigger = true, bool isKinematic = true, float gravityScale = 0f) {
+		public static PolygonCollider2D AddBoundingBoxAsComponent (BoundingBoxAttachment box, Slot slot, GameObject gameObject, bool isTrigger = true) {
 			if (box == null) return null;
-
-			if (slot.bone != slot.Skeleton.RootBone) {
-				var rb = gameObject.GetComponent<Rigidbody2D>();
-				if (rb == null) {
-					rb = gameObject.AddComponent<Rigidbody2D>();
-					rb.isKinematic = isKinematic;
-					rb.gravityScale = gravityScale;
-				}
-			}
-
 			var collider = gameObject.AddComponent<PolygonCollider2D>();
 			collider.isTrigger = isTrigger;
 			SetColliderPointsLocal(collider, slot, box);
@@ -114,6 +104,16 @@ namespace Spine.Unity {
 
 			return bounds;
 		}
+
+		public static Rigidbody2D AddBoneRigidbody2D (GameObject gameObject, bool isKinematic = true, float gravityScale = 0f) {
+			var rb = gameObject.GetComponent<Rigidbody2D>();
+			if (rb == null) {
+				rb = gameObject.AddComponent<Rigidbody2D>();
+				rb.isKinematic = isKinematic;
+				rb.gravityScale = gravityScale;
+			}
+			return rb;
+		}
 		#endregion
 
 		public delegate void SkeletonUtilityDelegate ();
diff --git a/spine-unity/Assets/Spine/Runtime/spine-unity/SkeletonUtility/SkeletonUtilityBone.cs b/spine-unity/Assets/Spine/Runtime/spine-unity/SkeletonUtility/SkeletonUtilityBone.cs
index 771045010..b80c59672 100644
--- a/spine-unity/Assets/Spine/Runtime/spine-unity/SkeletonUtility/SkeletonUtilityBone.cs
+++ b/spine-unity/Assets/Spine/Runtime/spine-unity/SkeletonUtility/SkeletonUtilityBone.cs
@@ -222,6 +222,7 @@ namespace Spine.Unity {
 		}
 
 		public void AddBoundingBox (string skinName, string slotName, string attachmentName) {
+			SkeletonUtility.AddBoneRigidbody2D(transform.gameObject);
 			SkeletonUtility.AddBoundingBoxGameObject(bone.skeleton, skinName, slotName, attachmentName, transform);
 		}