diff --git a/poezio/core/completions.py b/poezio/core/completions.py
index 1cb934c0..a9e16f41 100644
--- a/poezio/core/completions.py
+++ b/poezio/core/completions.py
@@ -12,7 +12,6 @@ from slixmpp import JID, InvalidJID
 from poezio import common
 from poezio import tabs
 from poezio.libpoezio import XDG
-from poezio.config import config
 from poezio.roster import roster
 
 from poezio.core.structs import POSSIBLE_SHOW, Completion
@@ -80,7 +79,7 @@ class CompletionCore:
 
     def theme(self, the_input):
         """ Completion for /theme"""
-        themes_dir = config.getstr('themes_dir')
+        themes_dir = self.core.config.getstr('themes_dir')
         themes_dir = Path(themes_dir).expanduser(
         ) if themes_dir else XDG.data_dir / 'themes'
         try:
@@ -221,7 +220,7 @@ class CompletionCore:
             nicks = [tab.own_nick] if tab else []
             default = os.environ.get('USER') if os.environ.get(
                 'USER') else 'poezio'
-            nick = config.getstr('default_nick')
+            nick = self.core.config.getstr('default_nick')
             if not nick:
                 if default not in nicks:
                     nicks.append(default)
@@ -358,8 +357,8 @@ class CompletionCore:
                     for section in plugin.config.sections()
                 ]
             else:
-                end_list = set(config.options('Poezio'))
-                end_list.update(config.default.get('Poezio', {}))
+                end_list = set(self.core.config.options('Poezio'))
+                end_list.update(self.core.config.default.get('Poezio', {}))
                 end_list = list(end_list)
                 end_list.sort()
         elif n == 2:
@@ -375,14 +374,14 @@ class CompletionCore:
                         plugin.config.default.get(section or plugin_name, {}))
                 end_list = list(end_list)
                 end_list.sort()
-            elif not config.has_option('Poezio', args[1]):
-                if config.has_section(args[1]):
-                    end_list = config.options(args[1])
+            elif not self.core.config.has_option('Poezio', args[1]):
+                if self.core.config.has_section(args[1]):
+                    end_list = self.core.config.options(args[1])
                     end_list.append('')
                 else:
                     end_list = []
             else:
-                end_list = [str(config.get(args[1], '')), '']
+                end_list = [str(self.core.config.get(args[1], '')), '']
         elif n == 3:
             if '|' in args[1]:
                 plugin_name, section = args[1].split('|')[:2]
@@ -396,10 +395,10 @@ class CompletionCore:
                                           or plugin_name)), ''
                 ]
             else:
-                if not config.has_section(args[1]):
+                if not self.core.config.has_section(args[1]):
                     end_list = ['']
                 else:
-                    end_list = [str(config.get(args[2], '', args[1])), '']
+                    end_list = [str(self.core.config.get(args[2], '', args[1])), '']
         else:
             return False
         return Completion(the_input.new_completion, end_list, n, quotify=True)
@@ -411,7 +410,7 @@ class CompletionCore:
         n = the_input.get_argument_position(quoted=True)
         if n >= len(args):
             args.append('')
-        if n == 1 or (n == 2 and config.has_section(args[1])):
+        if n == 1 or (n == 2 and self.core.config.has_section(args[1])):
             return Completion(self.set, the_input)
         return False
 
@@ -419,7 +418,7 @@ class CompletionCore:
         "Completion for /toggle"
         return Completion(
             the_input.new_completion,
-            config.options('Poezio'),
+            self.core.config.options('Poezio'),
             1,
             quotify=False)
 
@@ -438,7 +437,7 @@ class CompletionCore:
             nicks = [tab.own_nick] if tab else []
             default = os.environ.get('USER') if os.environ.get(
                 'USER') else 'poezio'
-            nick = config.getstr('default_nick')
+            nick = self.core.config.getstr('default_nick')
             if not nick:
                 if default not in nicks:
                     nicks.append(default)