diff --git a/Haskell.gitignore b/Haskell.gitignore
index b6837ebd580b387c960d899c1dedb2ea0ed3bc07..477a3533dd451ea9889abd84b73bb4f7f8d2cfea 100644
--- a/Haskell.gitignore
+++ b/Haskell.gitignore
@@ -4,3 +4,4 @@ cabal-dev
 *.hi
 *.chi
 *.chs.h
+.virthualenv