diff --git a/gitinspector/gravatar.py b/gitinspector/gravatar.py
index 9f2fd02..12c2073 100644
--- a/gitinspector/gravatar.py
+++ b/gitinspector/gravatar.py
@@ -21,13 +21,13 @@ import format
 import hashlib
 import urllib
 
-def get_url(email):
+def get_url(email, size=20):
 	md5hash = hashlib.md5(email.lower().strip()).hexdigest()
 	base_url = "http://www.gravatar.com/avatar/" + md5hash
 	params = None
 
 	if format.get_selected() == "html":
-		params = {"default": "identicon", "size": 20}
+		params = {"default": "identicon", "size": size}
 	elif format.get_selected() == "xml":
 		params = {"default": "identicon"}