diff --git a/source/gameengine/Converter/BL_SkinDeformer.cpp b/source/gameengine/Converter/BL_SkinDeformer.cpp
index d8e5a255a7c..90b5fc5308d 100644
--- a/source/gameengine/Converter/BL_SkinDeformer.cpp
+++ b/source/gameengine/Converter/BL_SkinDeformer.cpp
@@ -175,7 +175,7 @@ void BL_SkinDeformer::Update(void)
 		for (int v =0; v<m_bmesh->totvert; v++)
 			VECCOPY(m_transverts[v], m_bmesh->mvert[v].co);
 
-		armature_deform_verts( par_arma, m_objMesh, NULL, m_transverts, m_bmesh->totvert, ARM_DEF_VGROUP, NULL );
+		armature_deform_verts( par_arma, m_objMesh, NULL, m_transverts, NULL, m_bmesh->totvert, ARM_DEF_VGROUP, NULL );
 		RecalcNormals();
 
 		/* Update the current frame */