diff --git a/arkane/pdepTest.py b/arkane/pdepTest.py
index 8081372b335..6a48f801747 100644
--- a/arkane/pdepTest.py
+++ b/arkane/pdepTest.py
@@ -104,7 +104,9 @@ def test_pdep_job(self):
             reaction_list = read_reactions_block(chem, dictionary)
         rxn = reaction_list[0]
         self.assertIsInstance(rxn.kinetics, Chebyshev)
-        self.assertAlmostEquals(rxn.kinetics.get_rate_coefficient(1000.0, 1.0), 88.88253229631246)
+        # Accept a delta of 0.2, which could result from numerical discrepancies
+        # See RMG-Py #1682 on GitHub for discussion
+        self.assertAlmostEquals(rxn.kinetics.get_rate_coefficient(1000.0, 1.0), 88.88253229631246, delta=0.2)
 
         files = [f for f in os.listdir(os.path.join(self.directory, 'sensitivity', ''))
                  if os.path.isfile(os.path.join(self.directory, 'sensitivity', f))]