diff --git a/data/core/modkeys-generic.lua b/data/core/modkeys-generic.lua
index e239d8a9..613813dc 100644
--- a/data/core/modkeys-generic.lua
+++ b/data/core/modkeys-generic.lua
@@ -7,8 +7,12 @@ modkeys.map = {
   ["right shift"] = "shift",
   ["left alt"]    = "alt",
   ["right alt"]   = "altgr",
+  ["left gui"]    = "super",
+  ["left windows"] = "super",
+  ["right gui"]   = "super",
+  ["right windows"] = "super"
 }
 
-modkeys.keys = { "ctrl", "shift", "alt", "altgr" }
+modkeys.keys = { "ctrl", "shift", "alt", "altgr", "super" }
 
 return modkeys