diff --git a/data/gui/manage_proxies_window.ui b/data/gui/manage_proxies_window.ui
index 0fe8109e5..236099641 100644
--- a/data/gui/manage_proxies_window.ui
+++ b/data/gui/manage_proxies_window.ui
@@ -22,6 +22,7 @@
   <object class="GtkWindow" id="manage_proxies_window">
     <property name="border_width">12</property>
     <property name="title" translatable="yes">Manage Proxy Profiles</property>
+    <property name="window_position">center-on-parent</property>
     <property name="type_hint">dialog</property>
     <signal name="destroy" handler="on_manage_proxies_window_destroy"/>
     <child>
diff --git a/src/config.py b/src/config.py
index d648ed2cc..91d0d28d5 100644
--- a/src/config.py
+++ b/src/config.py
@@ -1271,7 +1271,8 @@ class PreferencesWindow:
         if 'manage_proxies' in gajim.interface.instances:
             gajim.interface.instances['manage_proxies'].window.present()
         else:
-            gajim.interface.instances['manage_proxies'] = ManageProxiesWindow()
+            gajim.interface.instances['manage_proxies'] = ManageProxiesWindow(
+                self.window)
 
     def update_proxy_list(self):
         our_proxy = gajim.config.get('global_proxy')
@@ -1296,10 +1297,10 @@ class PreferencesWindow:
 
 #---------- ManageProxiesWindow class -------------#
 class ManageProxiesWindow:
-    def __init__(self):
+    def __init__(self, transient_for=None):
         self.xml = gtkgui_helpers.get_gtk_builder('manage_proxies_window.ui')
         self.window = self.xml.get_object('manage_proxies_window')
-        self.window.set_transient_for(gajim.interface.roster.window)
+        self.window.set_transient_for(transient_for)
         self.proxies_treeview = self.xml.get_object('proxies_treeview')
         self.proxyname_entry = self.xml.get_object('proxyname_entry')
         self.proxytype_combobox = self.xml.get_object('proxytype_combobox')
@@ -2376,7 +2377,8 @@ class AccountsWindow:
         if 'manage_proxies' in gajim.interface.instances:
             gajim.interface.instances['manage_proxies'].window.present()
         else:
-            gajim.interface.instances['manage_proxies'] = ManageProxiesWindow()
+            gajim.interface.instances['manage_proxies'] = ManageProxiesWindow(
+                self.window)
 
     def on_warn_when_insecure_connection_checkbutton1_toggled(self, widget):
         if self.ignore_events: