diff --git a/scripts/function_puller.py b/scripts/function_puller.py
index 36dd5b81f..26671bafc 100644
--- a/scripts/function_puller.py
+++ b/scripts/function_puller.py
@@ -74,15 +74,14 @@ def get_spec(file_name: str) -> SpecObject:
                         row[i] = row[i].strip().strip('`')
                         if '`' in row[i]:
                             row[i] = row[i][:row[i].find('`')]
-                    if row[1].startswith('uint') or row[1].startswith('Bytes'):
+                    is_constant_def = True
+                    if row[0][0] not in 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_':
+                        is_constant_def = False
+                    for c in row[0]:
+                        if c not in 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_0123456789':
+                            is_constant_def = False
+                    if is_constant_def:
+                        constants[row[0]] = row[1].replace('**TBD**', '0x1234567890123456789012345678901234567890')
+                    elif row[1].startswith('uint') or row[1].startswith('Bytes'):
                         custom_types[row[0]] = row[1]
-                    else:
-                        eligible = True
-                        if row[0][0] not in 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_':
-                            eligible = False
-                        for c in row[0]:
-                            if c not in 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_0123456789':
-                                eligible = False
-                        if eligible:
-                            constants[row[0]] = row[1].replace('**TBD**', '0x1234567890123456789012345678901234567890')
     return functions, custom_types, constants, ssz_objects, inserts