diff --git a/widgets/bat.lua b/widgets/bat.lua
index 60bd71c..7d8f9d3 100644
--- a/widgets/bat.lua
+++ b/widgets/bat.lua
@@ -96,21 +96,21 @@ local function worker(args)
             if min < 0 then min = 0 elseif min > 59 then min = 59 end
 
             bat_now.time = string.format("%02d:%02d", hrs, min)
-			
-			local perc = tonumber(first_line(bstr .. "/capacity"))			
+
+            local perc = tonumber(first_line(bstr .. "/capacity"))
 
             if not perc then
-			   perc = (rem / tot) * 100
-			end
-			
-			if perc <= 100 then
-			   bat_now.perc = string.format("%d", perc)
-			elseif perc > 100 then
-			   bat_now.perc = "100"
-			elseif perc < 0 then
-			   bat_now.perc = "0"
-			end
-		
+                perc = (rem / tot) * 100
+            end
+
+            if perc <= 100 then
+               bat_now.perc = string.format("%d", perc)
+            elseif perc > 100 then
+               bat_now.perc = "100"
+            elseif perc < 0 then
+               bat_now.perc = "0"
+            end
+
             if rate ~= nil and ratev ~= nil then
                 bat_now.watt = string.format("%.2fW", (rate * ratev) / 1e12)
             else