diff --git a/src/interface.py b/src/interface.py
index 0c032953b..cd237957e 100644
--- a/src/interface.py
+++ b/src/interface.py
@@ -610,7 +610,7 @@ class DelugeGTK:
 		# Apply the preferences in the core
 		self.manager.apply_prefs()
 		self.manager.pe_settings(self.config.get("encout_state", int, default=common.EncState.enabled), self.config.get("encin_state", int, default=common.EncState.enabled), self.config.get("enclevel_type", int, default=common.EncLevel.both), self.config.get("pref_rc4", bool, default=True))
-		self.manager.proxy_settings(self.config.get("proxy_hostname"), self.config.get("proxy_username"), self.config.get("proxy_password"), self.config.get("proxy_port"), self.config.get("proxy_type", int, default=common.ProxyType.none))
+		self.manager.proxy_settings(self.config.get("proxy_hostname"), self.config.get("proxy_username"), self.config.get("proxy_password"), int(self.config.get("proxy_port")), self.config.get("proxy_type", int, default=common.ProxyType.none))
 
 	def get_message_from_state(self, torrent_state):
 		state = torrent_state['state']