diff --git a/server/src/uds/REST/methods/transports.py b/server/src/uds/REST/methods/transports.py
index 0d2ee357..437fa0f6 100644
--- a/server/src/uds/REST/methods/transports.py
+++ b/server/src/uds/REST/methods/transports.py
@@ -96,7 +96,7 @@ class Transports(ModelHandler):
                 'value': [],
                 'values': sorted(
                     [
-                        {'id': x.value[0], 'text': x.value[0].replace('CrOS', 'Chrome OS')}
+                        {'id': x.name, 'text': x.name}
                         for x in OsDetector.knownOss
                     ],
                     key=lambda x: x['text'].lower(),
diff --git a/server/src/uds/core/transports/transport.py b/server/src/uds/core/transports/transport.py
index ddc80d43..fafc5492 100644
--- a/server/src/uds/core/transports/transport.py
+++ b/server/src/uds/core/transports/transport.py
@@ -157,7 +157,7 @@ class Transport(Module):
         Helper method to check if transport supports requested operating system.
         Class method
         """
-        return cls.supportedOss.count(osType) > 0
+        return osType in cls.supportedOss
 
     @classmethod
     def providesConnetionInfo(cls) -> bool:
diff --git a/server/src/uds/models/transport.py b/server/src/uds/models/transport.py
index e19ae47a..a9019a65 100644
--- a/server/src/uds/models/transport.py
+++ b/server/src/uds/models/transport.py
@@ -45,6 +45,7 @@ from .tag import TaggingMixin
 # Not imported at runtime, just for type checking
 if typing.TYPE_CHECKING:
     from uds.models import Network, ServicePool
+    from uds.core.util.os_detector import KnownOS
 
 
 logger = logging.getLogger(__name__)
@@ -130,10 +131,8 @@ class Transport(ManagedObjectModel, TaggingMixin):
         # Deny, must not be in any network
         return self.networks.filter(net_start__lte=ip, net_end__gte=ip).exists() is False
 
-    def validForOs(self, os: str) -> bool:
-        if not self.allowed_oss or os in self.allowed_oss.split(','):
-            return True
-        return False
+    def validForOs(self, os: 'KnownOS') -> bool:
+        return not self.allowed_oss or os.name in self.allowed_oss.split(',')
 
     def __str__(self) -> str:
         return '{} of type {} (id:{})'.format(self.name, self.data_type, self.id)
diff --git a/server/src/uds/web/util/services.py b/server/src/uds/web/util/services.py
index 59aa9a89..88786a3d 100644
--- a/server/src/uds/web/util/services.py
+++ b/server/src/uds/web/util/services.py
@@ -59,6 +59,7 @@ from uds.core.auths.auth import webPassword
 # Not imported at runtime, just for type checking
 if typing.TYPE_CHECKING:
     from uds.core.util.request import ExtendedHttpRequestWithUser
+    from uds.core.util.os_detector import KnownOS
     from uds.models import Image
 
 
@@ -137,7 +138,7 @@ def getServicesData(
     nets = ''
     validTrans = ''
 
-    osType = request.os['OS']
+    osType: 'KnownOS' = request.os['OS']
     logger.debug('OS: %s', osType)
 
     if request.user.isStaff():