diff --git a/src/howler.core.js b/src/howler.core.js
index 641bf238..a6ebebfd 100644
--- a/src/howler.core.js
+++ b/src/howler.core.js
@@ -623,8 +623,8 @@
       }
 
       // Determine how long to play for and where to start playing.
-      var seek = sound._seek > 0 ? sound._seek : self._sprite[sprite][0] / 1000;
-      var duration = ((self._sprite[sprite][0] + self._sprite[sprite][1]) / 1000) - seek;
+      var seek = Math.max(0, sound._seek > 0 ? sound._seek : self._sprite[sprite][0] / 1000);
+      var duration = Math.max(0, ((self._sprite[sprite][0] + self._sprite[sprite][1]) / 1000) - seek);
       var timeout = (duration * 1000) / Math.abs(sound._rate);
 
       // Update the parameters of the sound