diff --git a/src/common/connection.py b/src/common/connection.py
index 05e0e224b..70775cf13 100644
--- a/src/common/connection.py
+++ b/src/common/connection.py
@@ -349,8 +349,10 @@ class Connection(ConnectionHandlers):
 		self._hosts = [ {'host': h, 'port': p, 'prio': 10, 'weight': 10} ]
 		self._hostname = hostname
 		if use_srv:
-			# add request for srv query to the resolve, on result '_on_resolve' will be called
-			gajim.resolver.resolve('_xmpp-client._tcp.' + helpers.unicode_to_ACE(h), self._on_resolve)
+			# add request for srv query to the resolve, on result '_on_resolve'
+			# will be called
+			gajim.resolver.resolve('_xmpp-client._tcp.' + helpers.idn_to_ascii(h),
+				self._on_resolve)
 		else:
 			self._on_resolve('', [])
 
diff --git a/src/common/helpers.py b/src/common/helpers.py
index ad39c6b22..0ce6660c6 100644
--- a/src/common/helpers.py
+++ b/src/common/helpers.py
@@ -86,7 +86,7 @@ def parse_jid(jidstring):
 
 	return prep(*decompose_jid(jidstring))
 
-def unicode_to_ACE(host):
+def idn_to_ascii(host):
 	'''convert IDN (Internationalized Domain Names) to ACE (ASCII-compatible encoding)'''
 	labels = idna.dots.split(host)
 	converted_labels = []