diff --git a/networks/he-burn/he_burn_core.py b/networks/he-burn/he_burn_core.py
index 0f11872bc..13fa9d7a0 100644
--- a/networks/he-burn/he_burn_core.py
+++ b/networks/he-burn/he_burn_core.py
@@ -2,7 +2,8 @@
 # they can then adjust these via various approximations
 
 import pynucastro as pyna
-from pynucastro.rates import ReacLibRate, TabularRate
+from pynucastro.rates import ReacLibRate
+
 
 def get_core_library(*,
                      include_n14_sequence=False,
@@ -89,13 +90,13 @@ def get_core_library(*,
         if include_low_ye:
             iron_peak += ["mn55"]
 
-
         iron_reaclib = reaclib_lib.linking_nuclei(iron_peak)
 
-        weak_lib = pyna.TabularLibrary()
-        iron_weak_lib = weak_lib.linking_nuclei(iron_peak)
+        # find the tabular rates for all nuclei
+        tl = pyna.TabularLibrary()
+        weak_lib = tl.linking_nuclei(iron_peak + nuclei)
 
-        all_lib = core_lib + iron_reaclib + iron_weak_lib
+        all_lib = core_lib + iron_reaclib + weak_lib
 
     else:
         all_lib = core_lib