diff --git a/scripts/mbedtls_dev/bignum_core.py b/scripts/mbedtls_dev/bignum_core.py
index eecf94a11..563492b29 100644
--- a/scripts/mbedtls_dev/bignum_core.py
+++ b/scripts/mbedtls_dev/bignum_core.py
@@ -21,7 +21,7 @@ from typing import Dict, Iterator, List, Tuple
 from . import test_case
 from . import test_data_generation
 from . import bignum_common
-from .bignum_data import ADD_SUB_DEFAULT
+from .bignum_data import ADD_SUB_DATA
 
 class BignumCoreTarget(test_data_generation.BaseTarget):
     #pylint: disable=abstract-method, too-few-public-methods
@@ -177,7 +177,7 @@ class BignumCoreAddAndAddIf(BignumCoreTarget, bignum_common.OperationCommon):
     test_function = "mpi_core_add_and_add_if"
     test_name = "mpi_core_add_and_add_if"
     input_style = "arch_split"
-    input_values = ADD_SUB_DEFAULT
+    input_values = ADD_SUB_DATA
     unique_combinations_only = True
 
     def result(self) -> List[str]:
@@ -198,7 +198,7 @@ class BignumCoreSub(BignumCoreTarget, bignum_common.OperationCommon):
     symbol = "-"
     test_function = "mpi_core_sub"
     test_name = "mbedtls_mpi_core_sub"
-    input_values = ADD_SUB_DEFAULT
+    input_values = ADD_SUB_DATA
 
     def result(self) -> List[str]:
         if self.int_a >= self.int_b:
diff --git a/scripts/mbedtls_dev/bignum_data.py b/scripts/mbedtls_dev/bignum_data.py
index 28076a49b..6f132a6b3 100644
--- a/scripts/mbedtls_dev/bignum_data.py
+++ b/scripts/mbedtls_dev/bignum_data.py
@@ -106,7 +106,7 @@ INPUTS_DEFAULT = [
         RANDOM_1024_BIT_SEED_4_NO2, # largest (not a prime)
         ]
 
-ADD_SUB_DEFAULT = [
+ADD_SUB_DATA = [
     "0", "1", "3", "f", "fe", "ff", "100", "ff00", 
     "fffe", "ffff", "10000", # 2^16 - 1, 2^16, 2^16 + 1
     "fffffffe", "ffffffff", "100000000", # 2^32 - 1, 2^32, 2^32 + 1