diff --git a/contributors.txt b/contributors.txt
index 6ace2c1..d3d09e6 100644
--- a/contributors.txt
+++ b/contributors.txt
@@ -1,3 +1,3 @@
 Tero Frondelius
-Jukka Aho
+Jukka Aho <jukka.aho@kapsi.fi>
 Olli Väinölä