diff --git a/widgets/alsabar.lua b/widgets/alsabar.lua
index b7c66b7..eec3428 100644
--- a/widgets/alsabar.lua
+++ b/widgets/alsabar.lua
@@ -135,7 +135,7 @@ local function worker(args)
 
         if (volu and tonumber(volu) ~= alsabar._current_level) or (mute and string.match(mute, "on") ~= alsabar._muted)
         then
-            alsabar._current_level = tonumber(volu)
+            alsabar._current_level = tonumber(volu) or alsabar._current_level
             alsabar.bar:set_value(alsabar._current_level / 100)
             if not mute and tonumber(volu) == 0 or mute == "off"
             then
diff --git a/wiki b/wiki
index 450c0bb..4521f12 160000
--- a/wiki
+++ b/wiki
@@ -1 +1 @@
-Subproject commit 450c0bbf52d9ff9c3f13b634ff666dd352784498
+Subproject commit 4521f127d306b74538d7cde445796978aa1853cf