diff --git a/widgets/battery.lua b/widgets/battery.lua
index 5bfc0aa..68cf843 100644
--- a/widgets/battery.lua
+++ b/widgets/battery.lua
@@ -223,7 +223,14 @@ return function(args)
     })
     -- }}}
     -- We don't need this widget if we don't have anything to show
-    if #widget_map == 0 then
+    local function count(t)
+        local count = 0
+        for k,v in pairs(t) do
+            count = count + 1
+        end
+        return count
+    end
+    if count(widget_map) == 0 then
         backlight_update:stop()
         power_update:stop()
         return