diff --git a/sohstationviewer/model/reftek_data/reftek_reader/core.py b/sohstationviewer/model/reftek_data/reftek_reader/core.py
index 74d02952b7dff1119078bb0460b0e9cb38363c04..9b5b9d241cc4fbc649efed5bed6a772a4748be1c 100644
--- a/sohstationviewer/model/reftek_data/reftek_reader/core.py
+++ b/sohstationviewer/model/reftek_data/reftek_reader/core.py
@@ -25,7 +25,7 @@ from obspy.io.reftek.packet import PACKET_FINAL_DTYPE
 from sohstationviewer.model.general_data.general_record_helper import Unpacker
 from sohstationviewer.model.reftek_data.reftek_reader.packet import EHPacket
 
-from sohstationviewer.model.reftek_data.reftek_reader.reftek_helper import (
+from sohstationviewer.model.reftek_data.reftek_reader.reftek_reader_helper import (
     read_rt130_file, convert_packet_to_obspy_format,
 )
 
diff --git a/sohstationviewer/model/reftek_data/reftek_reader/reftek_helper.py b/sohstationviewer/model/reftek_data/reftek_reader/reftek_reader_helper.py
similarity index 100%
rename from sohstationviewer/model/reftek_data/reftek_reader/reftek_helper.py
rename to sohstationviewer/model/reftek_data/reftek_reader/reftek_reader_helper.py
diff --git a/tests/test_model/test_reftek/test_reftek_helper.py b/tests/test_model/test_reftek/test_reftek_helper.py
index d5b132e62d8c4c6c876005039ba9ee9ef452f9ac..7fbbbbcc62a0b10b6edee4b69813d92fa292cef4 100644
--- a/tests/test_model/test_reftek/test_reftek_helper.py
+++ b/tests/test_model/test_reftek/test_reftek_helper.py
@@ -14,7 +14,7 @@ from sohstationviewer.model.reftek_data.reftek_reader.packets import (
     SOHPacket,
     EHETPacket, DTPacket,
 )
-from sohstationviewer.model.reftek_data.reftek_reader.reftek_helper import (
+from sohstationviewer.model.reftek_data.reftek_reader.reftek_reader_helper import (
     read_rt130_file, convert_packet_to_obspy_format,
 )