diff --git a/api/kiwi_vpn_api/db/user.py b/api/kiwi_vpn_api/db/user.py
index 45af422..5e1a4bb 100644
--- a/api/kiwi_vpn_api/db/user.py
+++ b/api/kiwi_vpn_api/db/user.py
@@ -4,7 +4,7 @@ Python representation of `user` table.
 
 from __future__ import annotations
 
-from typing import Any
+from typing import Any, Sequence
 
 from pydantic import root_validator
 from sqlalchemy.exc import IntegrityError
@@ -170,14 +170,23 @@ class User(UserBase, table=True):
             for capability in self.capabilities
         )
 
-    def can(self, capability: UserCapabilityType) -> bool:
+    def can(
+        self,
+        capability: UserCapabilityType,
+    ) -> bool:
         """
         Check if this user has a capability.
         """
 
-        return capability in self.get_capabilities()
+        return (
+            capability in self.get_capabilities()
+            or UserCapabilityType.admin in self.get_capabilities()
+        )
 
-    def set_capabilities(self, capabilities: set[UserCapabilityType]) -> None:
+    def set_capabilities(
+        self,
+        capabilities: Sequence[UserCapabilityType],
+    ) -> None:
         """
         Change the capabilities of this user.
         """
diff --git a/api/kiwi_vpn_api/routers/admin.py b/api/kiwi_vpn_api/routers/admin.py
index ea4187d..14eeacf 100644
--- a/api/kiwi_vpn_api/routers/admin.py
+++ b/api/kiwi_vpn_api/routers/admin.py
@@ -63,10 +63,7 @@ async def create_initial_admin(
 
     # create an administrative user
     new_user = User.create(**admin_user.dict())
-    new_user.set_capabilities([
-        UserCapabilityType.login,
-        UserCapabilityType.admin,
-    ])
+    new_user.set_capabilities((UserCapabilityType.admin))
     new_user.update()
 
 
diff --git a/api/kiwi_vpn_api/routers/user.py b/api/kiwi_vpn_api/routers/user.py
index dce2c08..ad69d26 100644
--- a/api/kiwi_vpn_api/routers/user.py
+++ b/api/kiwi_vpn_api/routers/user.py
@@ -47,6 +47,10 @@ async def login(
             headers={"WWW-Authenticate": "Bearer"},
         )
 
+    if not user.can(UserCapabilityType.login):
+        # user cannot login
+        raise HTTPException(status_code=status.HTTP_403_FORBIDDEN)
+
     # authentication succeeded
     access_token = await current_config.jwt.create_token(user.name)
     return {"access_token": access_token, "token_type": "bearer"}
@@ -84,6 +88,7 @@ async def add_user(
 
     # actually create the new user
     new_user = User.create(**user.dict())
+    new_user.set_capabilities((UserCapabilityType.login))
 
     # fail if creation was unsuccessful
     if new_user is None: