diff --git a/bin/curvecalc b/bin/curvecalc
--- a/bin/curvecalc
+++ b/bin/curvecalc
@@ -34,9 +34,9 @@ log = logging.getLogger()
 import run_local
 from light9 import Submaster, dmxclient, networking, showconfig, prof, Patch
 from light9.TLUtility import make_attributes_from_args
-from light9.zoomcontrol import Zoomcontrol
-from light9.curve import Curveset
-from light9.curveview import Curvesetview
+from light9.curvecalc.zoomcontrol import Zoomcontrol
+from light9.curvecalc.curve import Curveset
+from light9.curvecalc.curveview import Curvesetview
 from light9.wavelength import wavelength
 from light9.uihelpers import toplevelat
 from light9.namespaces import L9