diff --git a/interfaces/cython/cantera/examples/reactors/NonIdealShockTube.py b/interfaces/cython/cantera/examples/reactors/NonIdealShockTube.py
index 2098ca01f..996a55332 100644
--- a/interfaces/cython/cantera/examples/reactors/NonIdealShockTube.py
+++ b/interfaces/cython/cantera/examples/reactors/NonIdealShockTube.py
@@ -67,11 +67,6 @@ reactorPressure = 40.0*101325.0 # Pascals
 # "Estimation of pure- component properties from group-contributions," Chem.
 # Eng. Comm. 57 (1987) 233-243, doi: 10.1080/00986448708960487
 
-# There is a slight discontinuity in the thermo for three species at the mid-
-# point temperature. We are aware and okay, so we will suppress the warning
-# statement (note: use this feature at your own risk in other codes!)
-ct.suppress_thermo_warnings()
-
 
 # Real gas IDT calculation
 
diff --git a/src/thermo/NasaPoly2.cpp b/src/thermo/NasaPoly2.cpp
index 628676a9a..f727430ca 100644
--- a/src/thermo/NasaPoly2.cpp
+++ b/src/thermo/NasaPoly2.cpp
@@ -19,7 +19,7 @@ void NasaPoly2::validate(const std::string& name)
     mnp_high.updatePropertiesTemp(m_midT, &cp_high, &h_high, &s_high);
 
     double delta = cp_low - cp_high;
-    if (fabs(delta/(fabs(cp_low)+1.0E-4)) > 0.001) {
+    if (fabs(delta/(fabs(cp_low)+1.0E-4)) > 0.01) {
         writelog("\n\n**** WARNING ****\nFor species {}, discontinuity"
                  " in cp/R detected at Tmid = {}\n", name, m_midT);
         writelog("\tValue computed using low-temperature polynomial:  {}\n", cp_low);