diff --git a/init.lua b/init.lua
index 3751fa1..c53254b 100644
--- a/init.lua
+++ b/init.lua
@@ -76,7 +76,7 @@ local function update(widget, reg, disablecache)
             cache.time, cache.data = t, data
         end
     end
-    
+
     -- Check for cached output newer than the last update
     local c = widget_cache[reg.wtype]
     if c and c.time and c.data and t < c.time+reg.timer and not disablecache then
@@ -85,14 +85,15 @@ local function update(widget, reg, disablecache)
         if reg.wtype.async then
             if not reg.lock then
                 reg.lock = true
-                return reg.wtype.async(reg.warg, 
+                return reg.wtype.async(reg.format,
+                    reg.warg,
                     function(data)
                         update_value(format_data(data), t, c)
                         reg.lock=false
                     end)
             end
         else
-            return update_value(format_data(reg.wtype(nil, reg.warg)), t, c)
+            return update_value(format_data(reg.wtype(reg.format, reg.warg)), t, c)
         end
     end
 end
diff --git a/widgets/pkg_all.lua b/widgets/pkg_all.lua
index 5a812e2..62cc61e 100644
--- a/widgets/pkg_all.lua
+++ b/widgets/pkg_all.lua
@@ -17,7 +17,7 @@ local pkg_all = {}
 
 
 -- {{{ Packages widget type
-function pkg_all.async(warg, callback)
+function pkg_all.async(format, warg, callback)
     if not warg then return end
 
     -- Initialize counters
@@ -44,7 +44,7 @@ function pkg_all.async(warg, callback)
         size = math.max(size-first, 0)
         return {size, lines}
     end
-    
+
     -- Select command
     local _pkg = manager[warg]
     spawn.easy_async(_pkg.cmd, function(stdout) callback(parse(stdout, _pkg.sub)) end)
@@ -54,8 +54,8 @@ end
 -- {{{ Packages widget type
 local function worker(format, warg)
     local ret = nil
-    
-    pkg_all.async(warg, function(data) ret = data end)
+
+    pkg_all.async(format, warg, function(data) ret = data end)
 
     while ret==nil do end
     return ret