diff --git a/openmc/settings.py b/openmc/settings.py
index 8f7338cb3..3a5bd63a2 100644
--- a/openmc/settings.py
+++ b/openmc/settings.py
@@ -798,11 +798,11 @@ class Settings(object):
                                _RES_SCAT_METHODS)
             elif key == 'energy_min':
                 name = 'resonance scattering minimum energy'
-                cv.check_type(name, value, float)
+                cv.check_type(name, value, Real)
                 cv.check_greater_than(name, value, 0)
             elif key == 'energy_max':
                 name = 'resonance scattering minimum energy'
-                cv.check_type(name, value, float)
+                cv.check_type(name, value, Real)
                 cv.check_greater_than(name, value, 0)
             elif key == 'nuclides':
                 cv.check_type('resonance scattering nuclides', value,
diff --git a/src/input_xml.F90 b/src/input_xml.F90
index 514244dde..c42820bed 100644
--- a/src/input_xml.F90
+++ b/src/input_xml.F90
@@ -5302,15 +5302,6 @@ contains
           end do
         end associate
 
-        ! Check to make sure resonance scattering upper energy is below URR
-        ! minimum, if present
-        if (nuc % urr_present) then
-          if (res_scat_energy_max > nuc % urr_data(1) % energy(1)) then
-            call fatal_error("Resonance scattering maximum energy is above the &
-                 &bottom of the unresolved resonance region.")
-          end if
-        end if
-
         exit
       end if
     end do
diff --git a/src/nuclide_header.F90 b/src/nuclide_header.F90
index b8a54f303..ed4a9a0a6 100644
--- a/src/nuclide_header.F90
+++ b/src/nuclide_header.F90
@@ -306,6 +306,7 @@ module nuclide_header
     ! Read energy grid
     energy_group = open_group(group_id, 'energy')
     do i = 1, n_temperature
+      temp_str = trim(to_str(temps_to_read % data(i))) // "K"
       energy_dset = open_dataset(energy_group, temp_str)
       call get_shape(energy_dset, dims)
       allocate(this % grid(i) % energy(int(dims(1), 4)))
@@ -315,7 +316,7 @@ module nuclide_header
 
     ! Check for 0K energy grid
     if (object_exists(energy_group, '0K')) then
-      energy_dset = open_dataset(energy_group, temp_str)
+      energy_dset = open_dataset(energy_group, '0K')
       call get_shape(energy_dset, dims)
       allocate(this % energy_0K(int(dims(1), 4)))
       call read_dataset(this % energy_0K, energy_dset)