diff --git a/Gtg/gtg.hs b/Gtg/gtg.hs
--- a/Gtg/gtg.hs
+++ b/Gtg/gtg.hs
@@ -9,6 +9,7 @@
 import Graphics.UI.Gtk.Glade
 import Paths_gt_tools(getDataDir)
 import Data.List (elemIndex)
+import System.Environment.UTF8
 import qualified System.Environment.UTF8 as U
 
 comboIndex :: [String] -> String -> Int
diff --git a/gt-tools.cabal b/gt-tools.cabal
--- a/gt-tools.cabal
+++ b/gt-tools.cabal
@@ -1,5 +1,5 @@
 name:                   gt-tools
-version:                0.1.4.2
+version:                0.1.4.3
 cabal-version:          >= 1.8
 build-type:             Simple
 license:                GPL