diff --git a/GTG/core/urlregex.py b/GTG/core/urlregex.py
index 280178836..d64f8af4a 100644
--- a/GTG/core/urlregex.py
+++ b/GTG/core/urlregex.py
@@ -28,7 +28,7 @@
 UTF_CHARS = r'a-z0-9_\u00c0-\u00d6\u00d8-\u00f6\u00f8-\u00ff'
 
 SUBST_DICT = {
-    "domain": r'([\.-]|[^\s_\!\.\/])+\.[a-z]{1,}(?::[0-9]+)?',
+    "domain": r'([\.-]|[^\s_\!\.\/])+\.[a-z]+(?::[0-9]+)?',
     "path": r'(?:[\.,]?[%s!\*\'\(\);:&=\+\$/%s#\[\]\-_,~@])' % (
         UTF_CHARS, '%'),
     "query": r'[a-z0-9!\*\'\(\);:&=\+\$/%#\[\]\-_\.,~]',