diff --git a/classes.py b/classes.py
index 2eed1c9..baf10e9 100644
--- a/classes.py
+++ b/classes.py
@@ -1722,10 +1722,9 @@ class Channel(structures.DeprecatedAttributesObject, structures.CamelCaseToSnake
         Implements a sorted()-compatible sorter for prefix modes, giving each one a
         numeric value.
         """
-        values = {'owner': 100, 'admin': 10, 'op': 5, 'halfop': 4, 'voice': 3}
+        values = {'owner': 0, 'admin': 100, 'op': 200, 'halfop': 300, 'voice': 500}
 
-        # Default to highest value (1000) for unknown modes, should we choose to
-        # support them.
+        # Default to highest value (1000) for unknown modes, should they appear.
         return values.get(key, 1000)
 
     def get_prefix_modes(self, uid, prefixmodes=None):
diff --git a/plugins/relay.py b/plugins/relay.py
index 20d407c..0f48ef2 100644
--- a/plugins/relay.py
+++ b/plugins/relay.py
@@ -209,10 +209,7 @@ def get_prefix_modes(irc, remoteirc, channel, user, mlist=None):
 
     if channel in irc.channels and user in irc.channels[channel].users:
         # Iterate over the the prefix modes for relay supported by the remote IRCd.
-        # Note: reverse the order so prefix modes are bursted in their traditional order
-        # (e.g. owner before op before halfop). TODO: SJOIN modes should probably be
-        # consistently sorted IRCd-side.
-        for pmode in reversed(irc.channels[channel].get_prefix_modes(user, prefixmodes=mlist)):
+        for pmode in irc.channels[channel].get_prefix_modes(user, prefixmodes=mlist):
             if pmode in remoteirc.cmodes:
                 modes += remoteirc.cmodes[pmode]
     return modes
diff --git a/protocols/p10.py b/protocols/p10.py
index b6dbfe6..c0d86f6 100644
--- a/protocols/p10.py
+++ b/protocols/p10.py
@@ -616,7 +616,7 @@ class P10Protocol(IRCS2SProtocol):
 
                 # Flip the (prefixmodes, user) pairs in users, and save it as a dict for easy lookup
                 # later of what modes each target user should have.
-                names_dict = dict([(uid, prefixes) for prefixes, uid in users])
+                names_dict = {uid: prefixes for prefixes, uid in users}
 
                 # Wrap all users and send them to prevent cutoff. Subtract 4 off the maximum
                 # buf size to account for user prefix data that may be re-added (e.g. ":ohv")
@@ -633,9 +633,8 @@ class P10Protocol(IRCS2SProtocol):
 
                         # If the first UID was supposed to have a prefix mode attached, re-add it here
                         first_uid = wrapped_namelist[0]
-                        # XXX: I'm not sure why the prefix list has to be reversed for it to match the
-                        # original string...
-                        first_prefix = names_dict.get(first_uid, '')[::-1]
+
+                        first_prefix = names_dict.get(first_uid, '')
                         log.debug('(%s) sjoin: prefixes for first user %s: %s (post-wrap fixing)', self.name,
                                   first_uid, first_prefix)