diff --git a/klayout_dot_config/tech/GSiP/pymacros/GSiP_Library.py b/klayout_dot_config/tech/GSiP/pymacros/GSiP_Library.py
index 82c4ff20..6807b6c0 100644
--- a/klayout_dot_config/tech/GSiP/pymacros/GSiP_Library.py
+++ b/klayout_dot_config/tech/GSiP/pymacros/GSiP_Library.py
@@ -38,6 +38,8 @@
 
 import os, sys, pathlib
 
+import SiEPIC
+
 from SiEPIC._globals import KLAYOUT_VERSION, KLAYOUT_VERSION_3
 if KLAYOUT_VERSION < 28:
     question = pya.QMessageBox()
@@ -122,4 +124,4 @@ def __init__(self):
     self.register(library)
      
   
-GSiP()
\ No newline at end of file
+GSiP()