diff --git a/korman/operators/op_image.py b/korman/operators/op_image.py
index 09ba99b..197934d 100644
--- a/korman/operators/op_image.py
+++ b/korman/operators/op_image.py
@@ -179,6 +179,7 @@ class PlasmaBuildCubeMapOperator(ImageOperator, bpy.types.Operator):
         image.pixels = pixels
         image.update()
         image.pack(True)
+        image.plasma_image.texcache_method = "rebuild"
         return image