diff --git a/openmc/data/thermal.py b/openmc/data/thermal.py
index 8b6e35b61a..cd44f21f95 100644
--- a/openmc/data/thermal.py
+++ b/openmc/data/thermal.py
@@ -59,8 +59,6 @@ def get_thermal_name(name):
             # OK, we give up. Just use the ACE name.
             return 'c_' + name
 
-    return name
-
 
 class CoherentElastic(object):
     r"""Coherent elastic scattering data from a crystalline material
@@ -416,4 +414,4 @@ class ThermalScattering(object):
         pairs = np.fromiter(map(lambda p: p[0], ace.pairs), int)
         table.zaids = pairs[np.nonzero(pairs)]
 
-        return table
\ No newline at end of file
+        return table