diff --git a/add_mesh_extra_objects/add_mesh_gemstones.py b/add_mesh_extra_objects/add_mesh_gemstones.py
index dc505b0f9a57c340b0c43bbe48add7a015a51131..923741186686eb0e109de9578065e192c6b95c73 100644
--- a/add_mesh_extra_objects/add_mesh_gemstones.py
+++ b/add_mesh_extra_objects/add_mesh_gemstones.py
@@ -147,7 +147,7 @@ def add_gem(r1, r2, seg, h1, h2):
         faces.append([j + 4, i + 3, i + 4, i + 5])     # Crown quads
         faces.append([j + 4, i + 5, j + 5])            # Middle crown -> crown
 
-    faces_flat = createFaces([vert_flat], edgeloop_flat, closed=True)
+    faces_flat = createFaces([vert_flat], edgeloop_flat, closed=True, flipped=True)
     faces.extend(faces_flat)
 
     return verts, faces