diff --git a/i3pystatus/alsa.py b/i3pystatus/alsa.py
index 1c37753..021d1f2 100644
--- a/i3pystatus/alsa.py
+++ b/i3pystatus/alsa.py
@@ -46,6 +46,11 @@ class ALSA(IntervalModule):
     alsamixer = None
     has_mute = True
 
+    on_scrollup = "increase_volume"
+    on_scrolldown = "decrease_volume"
+    on_lclick = "switch_mute"
+    on_rclick = on_lclick
+
     def init(self):
         self.create_mixer()
         try:
@@ -82,18 +87,15 @@ class ALSA(IntervalModule):
             "color": self.color_muted if muted else self.color,
         }
 
-    def on_leftclick(self):
-        self.on_rightclick()
-
-    def on_rightclick(self):
+    def switch_mute(self):
         if self.has_mute:
             muted = self.alsamixer.getmute()[self.channel]
             self.alsamixer.setmute(not muted)
 
-    def on_upscroll(self):
+    def increase_volume(self, delta=None):
         vol = self.alsamixer.getvolume()[self.channel]
-        self.alsamixer.setvolume(min(100, vol + self.increment))
+        self.alsamixer.setvolume(min(100, vol + (delta if delta else self.increment)))
 
-    def on_downscroll(self):
+    def decrease_volume(self, delta=None):
         vol = self.alsamixer.getvolume()[self.channel]
-        self.alsamixer.setvolume(max(0, vol - self.increment))
+        self.alsamixer.setvolume(max(0, vol - (delta if delta else self.increment)))
diff --git a/i3pystatus/core/modules.py b/i3pystatus/core/modules.py
index bf9438a..5c55345 100644
--- a/i3pystatus/core/modules.py
+++ b/i3pystatus/core/modules.py
@@ -1,14 +1,14 @@
 from i3pystatus.core.settings import SettingsBase
 from i3pystatus.core.threading import Manager
 from i3pystatus.core.util import convert_position
+from i3pystatus.core.command import run_through_shell
 
 
 class Module(SettingsBase):
     output = None
     position = 0
 
-    settings = (
-                'on_lclick', "Callback called on left click",
+    settings = ('on_lclick', "Callback called on left click",
                 'on_rclick', "Callback called on right click",
                 'on_scrollup', "Callback called on scrolling up",
                 'on_scrolldown', "Callback called on scrolling down",
@@ -48,6 +48,9 @@ class Module(SettingsBase):
             cb = self.on_scrollup or "on_upscroll"
         elif button == 5:  # mouse wheel down
             cb = self.on_scrolldown or "on_downscroll"
+        else:
+            self.logger.debug("Button not handled")
+            return
 
         if callable(cb):
             return cb(self)