diff --git a/daemon.py b/daemon.py
index c15d16bed..046805c97 100644
--- a/daemon.py
+++ b/daemon.py
@@ -268,7 +268,7 @@ from utils import getOccupationName
 from utils import setOccupationName
 from utils import loadTranslationsFromFile
 from utils import getLocalNetworkAddresses
-from utils import decodedHost
+from utils import decoded_host
 from utils import isPublicPost
 from utils import get_locked_account
 from utils import has_users_path
@@ -13312,7 +13312,7 @@ class PubServer(BaseHTTPRequestHandler):
         callingDomain = self.server.domain_full
 
         if self.headers.get('Host'):
-            callingDomain = decodedHost(self.headers['Host'])
+            callingDomain = decoded_host(self.headers['Host'])
             if self.server.onion_domain:
                 if callingDomain != self.server.domain and \
                    callingDomain != self.server.domain_full and \
@@ -16369,7 +16369,7 @@ class PubServer(BaseHTTPRequestHandler):
     def do_HEAD(self):
         callingDomain = self.server.domain_full
         if self.headers.get('Host'):
-            callingDomain = decodedHost(self.headers['Host'])
+            callingDomain = decoded_host(self.headers['Host'])
             if self.server.onion_domain:
                 if callingDomain != self.server.domain and \
                    callingDomain != self.server.domain_full and \
@@ -17483,7 +17483,7 @@ class PubServer(BaseHTTPRequestHandler):
 
         callingDomain = self.server.domain_full
         if self.headers.get('Host'):
-            callingDomain = decodedHost(self.headers['Host'])
+            callingDomain = decoded_host(self.headers['Host'])
             if self.server.onion_domain:
                 if callingDomain != self.server.domain and \
                    callingDomain != self.server.domain_full and \
diff --git a/tests.py b/tests.py
index da7733bb4..c6b1db478 100644
--- a/tests.py
+++ b/tests.py
@@ -68,7 +68,7 @@ from utils import dateSecondsToString
 from utils import validPassword
 from utils import userAgentDomain
 from utils import camelCaseSplit
-from utils import decodedHost
+from utils import decoded_host
 from utils import getFullDomain
 from utils import validNickname
 from utils import firstParagraphFromString
@@ -4865,13 +4865,13 @@ def _testMastoApi():
 def _testDomainHandling():
     print('testDomainHandling')
     testDomain = 'localhost'
-    assert decodedHost(testDomain) == testDomain
+    assert decoded_host(testDomain) == testDomain
     testDomain = '127.0.0.1:60'
-    assert decodedHost(testDomain) == testDomain
+    assert decoded_host(testDomain) == testDomain
     testDomain = '192.168.5.153'
-    assert decodedHost(testDomain) == testDomain
+    assert decoded_host(testDomain) == testDomain
     testDomain = 'xn--espaa-rta.icom.museum'
-    assert decodedHost(testDomain) == "españa.icom.museum"
+    assert decoded_host(testDomain) == "españa.icom.museum"
 
 
 def _testPrepareHtmlPostNickname():
diff --git a/utils.py b/utils.py
index 9910bb308..0de196e19 100644
--- a/utils.py
+++ b/utils.py
@@ -168,7 +168,7 @@ def _local_network_host(host: str) -> bool:
     return False
 
 
-def decodedHost(host: str) -> str:
+def decoded_host(host: str) -> str:
     """Convert hostname to internationalized domain
     https://en.wikipedia.org/wiki/Internationalized_domain_name
     """