diff --git a/stixcore/processing/L0toL1.py b/stixcore/processing/L0toL1.py
index e25034d7..087b11c5 100644
--- a/stixcore/processing/L0toL1.py
+++ b/stixcore/processing/L0toL1.py
@@ -50,8 +50,8 @@ def process_fits_files(self, files=None):
             batch = 0
             prio = 3
             product_type = str(file.parent)
-            if "L0" in file._parts:
-                product_type = tuple(map(int, file._parts[file._parts.index("L0") + 1 : -1]))
+            if "L0" in file.parts:
+                product_type = tuple(map(int, file.parts[file.parts.index("L0") + 1 : -1]))
                 if product_type[0] == 21 and product_type[-1] in {20, 21, 22, 23, 24, 42}:  # sci data
                     product_types_batch[product_type] += 1
                     prio = 2
diff --git a/stixcore/products/level1/quicklookL1.py b/stixcore/products/level1/quicklookL1.py
index 6265c506..cfe31489 100644
--- a/stixcore/products/level1/quicklookL1.py
+++ b/stixcore/products/level1/quicklookL1.py
@@ -249,10 +249,16 @@ def from_level0(cls, l0product, parent=""):
         # fix for wrong calibration in IDB https://github.com/i4Ds/STIXCore/issues/432
         # nix00122 was wrong assumed to be in ds but it is plain s
         l1.control["integration_time"] = l1.control["integration_time"] * 10
+        # rescale for idb >= 36
+        scale_lt = 100.0
+        scale_qt = 100000.0
+        if max([int(vl.split(".")[2]) for vl in l1.idb_versions.keys()]) < 36:
+            scale_lt = 1
+            scale_qt = 0.1
         # nix00124 was wrong assumed to be in ds but it is unscaled ms
-        l1.control["live_time"] = (l1.control["live_time"] / 100.0).to("ms").astype(np.uint32)
+        l1.control["live_time"] = (l1.control["live_time"] / scale_lt).to("ms").astype(np.uint32)
         # nix00124 was wrong assumed to be in s but it is us
-        l1.control["quiet_time"] = (l1.control["quiet_time"] / 100000.0).to("us")
+        l1.control["quiet_time"] = (l1.control["quiet_time"] / scale_qt).to("us")
         return l1
 
 
diff --git a/stixcore/products/product.py b/stixcore/products/product.py
index 02712266..21076cc6 100644
--- a/stixcore/products/product.py
+++ b/stixcore/products/product.py
@@ -1,9 +1,8 @@
 from pathlib import Path
-from datetime import datetime
+from datetime import datetime, timezone
 from itertools import chain
 
 import numpy as np
-import pytz
 from sunpy.time.timerange import TimeRange
 from sunpy.util.datatype_factory_base import (
     BasicRegistrationFactory,
@@ -50,7 +49,7 @@
 
 # date when the min integration time was changed from 1.0s to 0.5s needed to fix count and time
 # offset issue
-MIN_INT_TIME_CHANGE = datetime(2021, 9, 6, 13, tzinfo=pytz.UTC)
+MIN_INT_TIME_CHANGE = datetime(2021, 9, 6, 13, tzinfo=timezone.utc)
 
 
 def read_qtable(file, hdu, hdul=None):