diff --git a/xmonad.hs b/xmonad.hs
index f041695..55ad14f 100755
--- a/xmonad.hs
+++ b/xmonad.hs
@@ -185,7 +185,7 @@ toggleHomeScreens = do
 -- get these with xprop
 myManageHook = composeAll
   [ isDialog --> doFloat
-    , className =? "Gnome-dictionary" --> doFloat
+    , className =? "Org.gnome.Dictionary" --> doFloat
   , className =? "Xfce4-dict" --> doFloat
   , className =? "Goldendict" --> doFloat
   , className =? "Last.fm"    --> doFloat
@@ -441,7 +441,7 @@ myKeys =    [
     , ((winKey ,                                            xK_i),                                              ifWindows (className =? "Clementine") (mapM_ killWindow) (spawnHere "clementine"))
 --    , ((winKey , xK_d ),             ifWindows (className =? "Goldendict") (mapM_ killWindow) (spawnHere "goldendict"))
 --  , ((winKey ,                                            xK_d),                                              ifWindows (className =? "Xfce4-dict") (mapM_ killWindow) (spawnHere "xfce4-dict"))
-  , ((winKey ,                                                xK_d),                                          ifWindows (className =? "Gnome-dictionary") (mapM_ killWindow) (spawnHere "gnome-dictionary"))
+  , ((winKey ,                                                xK_d),                                          ifWindows (className =? "Org.gnome.Dictionary") (mapM_ killWindow) (spawnHere "gnome-dictionary"))
   , ((winKey ,                                            xK_f),                                              spawnHere (myTerminal ++ " -e vifm . ~"))
   --, ((winKey ,                                            xK_f),                                              spawnHere ("export SHELL=/bin/bash && " ++ myTerminal ++ " -e mc"))
   --, ((winKey ,                                            xK_e),                                              spawnHere ("export SHELL=/bin/bash && " ++ myTerminal ++ " -e mc")) -- key stroke matches Win+E (from Win7)