diff --git a/esbo_etc/classes/__init__.py b/esbo_etc/classes/__init__.py
index c2515b0..6c9b222 100644
--- a/esbo_etc/classes/__init__.py
+++ b/esbo_etc/classes/__init__.py
@@ -1,5 +1,6 @@
-from esbo_etc.classes.config import *
-from esbo_etc.classes.IRadiant import *
-from esbo_etc.classes.SpectralQty import *
-from esbo_etc.classes.target import *
-from esbo_etc.classes.optical_component import *
+from .config import *
+from .IRadiant import *
+from .SpectralQty import *
+from .target import *
+from .optical_component import *
+from .RadiantFactory import *