diff --git a/sohstationviewer/model/reftek/reftek.py b/sohstationviewer/model/reftek/reftek.py
index b708eb5c7978ee5758c3225a118cda33bac89c8e..76c2e5e398ff339ec971e2d5da4100b92860b0fe 100755
--- a/sohstationviewer/model/reftek/reftek.py
+++ b/sohstationviewer/model/reftek/reftek.py
@@ -7,7 +7,7 @@ from typing import Tuple, List, Union
 import traceback
 import numpy as np
 
-from sohstationviewer.model.reftek.rt130_experiment.header import Reftek130
+from sohstationviewer.model.reftek.from_rt2ms.core import Reftek130
 from sohstationviewer.model.reftek.from_rt2ms import (
     core, soh_packet, packet)
 from sohstationviewer.model.reftek.log_info import LogInfo