diff --git a/requirements.txt b/requirements.txt
index f297f67d..e83262ba 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 strax
 utilix>=0.5.3
-straxen==0.18.4
+straxen>=0.19.0
 uproot>=4.0.0
diff --git a/tests/test_wfsim.py b/tests/test_wfsim.py
index bc975c5a..46a1c2b0 100644
--- a/tests/test_wfsim.py
+++ b/tests/test_wfsim.py
@@ -27,8 +27,8 @@ def test_sim_1T():
     with tempfile.TemporaryDirectory() as tempdir:
         log.debug(f'Working in {tempdir}')
         testing_config_1T = dict(
-            hev_gain_model=('to_pe_constant', 0.0085),
-            gain_model=('to_pe_constant', 0.0085),
+            hev_gain_model=("1T_to_pe_placeholder", True),
+            gain_model=("1T_to_pe_placeholder", True),
         )
         st = strax.Context(
             storage=tempdir,
@@ -60,7 +60,9 @@ def test_sim_nT_basics():
     with tempfile.TemporaryDirectory() as tempdir:
         log.debug(f'Working in {tempdir}')
         conf = straxen.contexts.xnt_common_config
-        conf['gain_model'] = ('to_pe_constant', 0.01)
+        conf['gain_model'] = ("to_pe_placeholder", True)
+        conf['hev_gain_model'] = ("to_pe_placeholder", True)
+        conf['hit_min_amplitude'] = 'pmt_commissioning_initial'
         resource, conf_override = test_load_nt()
 
         # The SPE table in this package is for a single channel
diff --git a/wfsim/strax_interface.py b/wfsim/strax_interface.py
index 86801f81..d1415b8c 100644
--- a/wfsim/strax_interface.py
+++ b/wfsim/strax_interface.py
@@ -400,8 +400,8 @@ def set_config(self,):
             self.config.update(overrides)
 
         # Update gains to the nT defaults
-        self.to_pe = straxen.get_to_pe(self.run_id, self.config['gain_model'],
-                                       self.config['channel_map']['tpc'][1]+1)
+        self.to_pe = straxen.get_correction_from_cmt(self.run_id,
+                               self.config['gain_model'])
 
         adc_2_current = (self.config['digitizer_voltage_range']
                          / 2 ** (self.config['digitizer_bits'])