diff --git a/codes/params/matrixShaping.py b/codes/params/matrixShaping.py
index 4dfec57f143e21ad7bb971d8c1a8f1f970c43bda..b681de8617a2c044664cba7437f040ea4efa8225 100644
--- a/codes/params/matrixShaping.py
+++ b/codes/params/matrixShaping.py
@@ -1,7 +1,7 @@
 import numpy as np
 
 
-def hop_dict_to_flat(hop_dict):
+def tb_to_flat(hop_dict):
     """
     Convert a hermitian tight-binding dictionary to flat complex matrix.
 
@@ -22,9 +22,9 @@ def hop_dict_to_flat(hop_dict):
     return sorted_vals[:N].flatten()
 
 
-def flat_to_hop_dict(flat, shape, hop_dict_keys):
+def flat_to_tb(flat, shape, hop_dict_keys):
     """
-    Reverse operation to `hop_dict_to_flat` that takes a flat complex 1d array
+    Reverse operation to `tb_to_flat` that takes a flat complex 1d array
     and return the tight-binding dictionary.
 
     Parameters:
diff --git a/codes/params/rparams.py b/codes/params/rparams.py
index 74c50887209d1f5514cd966681c68dc586bfa857..ffb770e23e8fbd8cd7c1481fb6f588ee65001ea2 100644
--- a/codes/params/rparams.py
+++ b/codes/params/rparams.py
@@ -1,8 +1,8 @@
 from codes.params.matrixShaping import (
     complex_to_real,
-    hop_dict_to_flat,
+    tb_to_flat,
     real_to_complex,
-    flat_to_hop_dict,
+    flat_to_tb,
 )
 
 
@@ -20,7 +20,7 @@ def mf_to_rparams(mf_model):
     dict
         Real parameters.
     """
-    return complex_to_real(hop_dict_to_flat(mf_model))  # placeholder for now
+    return complex_to_real(tb_to_flat(mf_model))  # placeholder for now
 
 
 def rparams_to_mf(rParams, key_list, size):
@@ -41,4 +41,4 @@ def rparams_to_mf(rParams, key_list, size):
     """
 
     flat_matrix = real_to_complex(rParams)
-    return flat_to_hop_dict(flat_matrix, (len(key_list), size, size), key_list)
+    return flat_to_tb(flat_matrix, (len(key_list), size, size), key_list)