diff --git a/src/groupchat_window.py b/src/groupchat_window.py
index 5030f1c31..f61282fcc 100644
--- a/src/groupchat_window.py
+++ b/src/groupchat_window.py
@@ -92,7 +92,7 @@ class GroupchatWindow(chat.Chat):
 		if gajim.config.get('saveposition'):
 			gtkgui_helpers.move_window(self.window, gajim.config.get('gc-x-position'),
 				gajim.config.get('gc-y-position'))
-			gtkgui_helpers.resize(self.window, gajim.config.get('gc-width'),
+			gtkgui_helpers.resize_window(self.window, gajim.config.get('gc-width'),
 					gajim.config.get('gc-height'))
 		self.window.show_all()
 
diff --git a/src/tabbed_chat_window.py b/src/tabbed_chat_window.py
index 9ccca189f..05e10ca81 100644
--- a/src/tabbed_chat_window.py
+++ b/src/tabbed_chat_window.py
@@ -74,7 +74,7 @@ class TabbedChatWindow(chat.Chat):
 			# get window position and size from config
 			gtkgui_helpers.move_window(self.window, gajim.config.get('chat-x-position'),
 				gajim.config.get('chat-y-position'))
-			gtkgui_helpers.resize(self.window, gajim.config.get('chat-width'),
+			gtkgui_helpers.resize_window(self.window, gajim.config.get('chat-width'),
 					gajim.config.get('chat-height'))
 
 		# gtk+ doesn't make use of the motion notify on gtkwindow by default