diff --git a/test/functional/test_framework/test_framework.py b/test/functional/test_framework/test_framework.py
index 024ab330ef..a9a063b593 100755
--- a/test/functional/test_framework/test_framework.py
+++ b/test/functional/test_framework/test_framework.py
@@ -48,6 +48,7 @@ from .util import (
     check_json_precision,
     copy_datadir,
     force_finish_mnsync,
+    get_chain_conf_names,
     get_datadir_path,
     initialize_datadir,
     p2p_port,
@@ -610,19 +611,7 @@ class BitcoinTestFramework(metaclass=BitcoinTestMetaClass):
             if entry not in ['chainstate', 'blocks', 'indexes', 'evodb']:
                 os.remove(os.path.join(new_data_dir, self.chain, entry))
 
-        # Translate chain name to config name
-        if self.chain == 'testnet3':
-            chain_name_conf_arg = 'testnet'
-            chain_name_conf_section = 'test'
-            chain_name_conf_arg_value = '1'
-        elif self.chain == 'devnet':
-            chain_name_conf_arg = 'devnet'
-            chain_name_conf_section = 'devnet'
-            chain_name_conf_arg_value = 'devnet1'
-        else:
-            chain_name_conf_arg = self.chain
-            chain_name_conf_section = self.chain
-            chain_name_conf_arg_value = '1'
+        (chain_name_conf_arg, chain_name_conf_arg_value, chain_name_conf_section) = get_chain_conf_names(self.chain)
 
         with open(os.path.join(new_data_dir, "dash.conf"), 'w', encoding='utf8') as f:
             f.write("{}={}\n".format(chain_name_conf_arg, chain_name_conf_arg_value))
diff --git a/test/functional/test_framework/util.py b/test/functional/test_framework/util.py
index 9b427cf40b..54578d6cce 100644
--- a/test/functional/test_framework/util.py
+++ b/test/functional/test_framework/util.py
@@ -381,19 +381,7 @@ def initialize_datadir(dirname, n, chain):
 
 
 def write_config(config_path, *, n, chain, extra_config=""):
-    # Translate chain subdirectory name to config name
-    if chain == 'testnet3':
-        chain_name_conf_arg = 'testnet'
-        chain_name_conf_section = 'test'
-        chain_name_conf_arg_value = '1'
-    elif chain == 'devnet':
-        chain_name_conf_arg = 'devnet'
-        chain_name_conf_section = 'devnet'
-        chain_name_conf_arg_value = 'devnet1'
-    else:
-        chain_name_conf_arg = chain
-        chain_name_conf_section = chain
-        chain_name_conf_arg_value = '1'
+    (chain_name_conf_arg, chain_name_conf_arg_value, chain_name_conf_section) = get_chain_conf_names(chain)
     with open(config_path, 'w', encoding='utf8') as f:
         if chain_name_conf_arg:
             f.write("{}={}\n".format(chain_name_conf_arg, chain_name_conf_arg_value))
@@ -494,6 +482,24 @@ def get_chain_folder(datadir, chain):
         pass
     return chain
 
+def get_chain_conf_names(chain):
+    """
+    Translate chain name to config names
+    """
+    if chain == 'testnet3':
+        arg = 'testnet'
+        value = '1'
+        section = 'test'
+    elif chain == 'devnet':
+        arg = 'devnet'
+        value = 'devnet1'
+        section = 'devnet'
+    else:
+        arg = chain
+        value = '1'
+        section = chain
+    return (arg, value, section)
+
 def get_bip9_details(node, key):
     """Return extra info about bip9 softfork"""
     return node.getblockchaininfo()['softforks'][key]['bip9']