diff --git a/bumblebee/modules/pulseaudio.py b/bumblebee/modules/pulseaudio.py
index d66abd0..6d1cf7c 100644
--- a/bumblebee/modules/pulseaudio.py
+++ b/bumblebee/modules/pulseaudio.py
@@ -42,7 +42,7 @@ class Module(bumblebee.engine.Module):
             self._change = 2
 
         self._limit = 0
-        self._limit = int(self.parameter("limit", 0).strip("%s"))
+        self._limit = int(self.parameter("limit", "0%").strip("%s"))
         if self._limit < 0:
             self._limit = 0