diff --git a/daemon.py b/daemon.py
index c5a81572..8e4ba1d1 100644
--- a/daemon.py
+++ b/daemon.py
@@ -164,6 +164,7 @@ from shares import getSharesFeedForPerson
 from shares import addShare
 from shares import removeShare
 from shares import expireShares
+from utils import isSystemAccount
 from utils import setConfigParam
 from utils import getConfigParam
 from utils import removeIdEnding
@@ -1240,8 +1241,9 @@ class PubServer(BaseHTTPRequestHandler):
         loginNickname, loginPassword, register = \
             htmlGetLoginCredentials(loginParams, self.server.lastLoginTime)
         if loginNickname:
-            if loginNickname == 'news' or loginNickname == 'inbox':
-                print('Invalid username login: ' + loginNickname)
+            if isSystemAccount(loginNickname):
+                print('Invalid username login: ' + loginNickname +
+                      ' (system account)')
                 self._clearLoginDetails(loginNickname, callingDomain)
                 self.server.POSTbusy = False
                 return
diff --git a/utils.py b/utils.py
index da689e60..424353fa 100644
--- a/utils.py
+++ b/utils.py
@@ -19,6 +19,14 @@ from calendar import monthrange
 from followingCalendar import addPersonToCalendar
 
 
+def isSystemAccount(nickname: str) -> bool:
+    """Returns true if the given nickname is a system account
+    """
+    if nickname == 'news' or nickname == 'inbox':
+        return True
+    return False
+
+
 def createConfig(baseDir: str) -> None:
     """Creates a configuration file
     """
diff --git a/webinterface.py b/webinterface.py
index 8949fdc6..3c1a8c60 100644
--- a/webinterface.py
+++ b/webinterface.py
@@ -25,6 +25,7 @@ from ssb import getSSBAddress
 from tox import getToxAddress
 from matrix import getMatrixAddress
 from donate import getDonationUrl
+from utils import isSystemAccount
 from utils import removeIdEnding
 from utils import getProtocolPrefixes
 from utils import searchBoxPosts
@@ -3224,14 +3225,6 @@ def htmlSharesTimeline(translate: {}, pageNumber: int, itemsPerPage: int,
     return timelineStr
 
 
-def isSystemAccount(nickname: str) -> bool:
-    """Returns true if the given nickname is a system account
-    """
-    if nickname == 'news' or nickname == 'inbox':
-        return True
-    return False
-
-
 def htmlProfile(defaultTimeline: str,
                 recentPostsCache: {}, maxRecentPosts: int,
                 translate: {}, projectVersion: str,