diff --git a/src/lists.py b/src/lists.py
index 298a45ad..d06579b0 100755
--- a/src/lists.py
+++ b/src/lists.py
@@ -140,7 +140,7 @@ def linklist(ponydirs = None, quoters = [], ucsiser = None):
     
     for ponydir in ponydirs: # Loop ponydirs
         ## Get all pony files in the directory
-        ponies = _get_file_list(ponydirs, '.pony')
+        ponies = _get_file_list(ponydir, '.pony')
         
         ## If there are no ponies in the directory skip to next directory, otherwise, print the directories name
         if len(ponies) == 0:
@@ -198,20 +198,18 @@ def linklist(ponydirs = None, quoters = [], ucsiser = None):
         _print_columnised(list(ponies))
 
 
-def onelist(standarddirs, extradirs = None, ucsiser = None):
+def onelist(pony_dirs, ucsiser):
     '''
     Lists the available ponies on one column without anything bold or otherwise formated
     
-    @param  standard:itr<str>?         Include standard ponies
-    @param  extra:itr<str>?            Include extra ponies
-    @param  ucsiser:(list<str>)?→void  Function used to UCS:ise names
+    @param  pony_dirs:itr<str>        List of directories to search for ponies
+    @param  ucsiser:(list<str>)→void  Function used to UCS:ise names
     '''
     ## Get all pony files
-    ponies = [j for i in [standarddirs, extradirs] for j in _get_file_list(i, '.pony')]
+    ponies = [name for dir in pony_dirs for name in _get_file_list(dir, '.pony')]
     
     ## UCS:ise and sort
-    if ucsiser is not None:
-        ucsiser(ponies)
+    ucsiser(ponies)
     ponies.sort()
     
     ## Print each one on a seperate line, but skip duplicates
diff --git a/src/ponysay.py b/src/ponysay.py
index f9560f5b..dd0768dc 100755
--- a/src/ponysay.py
+++ b/src/ponysay.py
@@ -760,9 +760,10 @@ class Ponysay():
         @param  standard:bool  Include standard ponies
         @param  extra:bool     Include extra ponies
         '''
-        lists.onelist(self.ponydirs if standard else None,
-                     self.extraponydirs if extra else None,
-                     lambda x : self.__ucsise(x))
+        
+        pony_dirs = (self.ponydirs if standard else []) + (self.extraponydirs if extra else [])
+        
+        lists.onelist(pony_dirs, self.__ucsise)
     
     
     def quoters(self, standard = True, extra = False):