diff --git a/matchmaker.py b/matchmaker.py
index 0b32f7d..aa04137 100644
--- a/matchmaker.py
+++ b/matchmaker.py
@@ -50,7 +50,7 @@ class MatchMaker:
         self.filter['injector']='s[i1].*k[12]|s20cb.*k1|s20sy01.*k1'
         self.filter['athos']='sat.*mqua.*k1|sat.*msex.*k2|s20sy02.*m[kq]'
         self.filter['aramis'] = 's[3a][0r].*k[12]|s20sy03.*k1'
-        self.filter['porthos'] = 'spo.*k[12]'
+        self.filter['porthos'] = 's[3p][0o].*k[12]'
         with open(file,'r') as f:
             lines = f.readlines()
             for line in lines: