diff --git a/source/src/sound.cpp b/source/src/sound.cpp
index c90b30da..690585c2 100644
--- a/source/src/sound.cpp
+++ b/source/src/sound.cpp
@@ -136,7 +136,9 @@ struct oggstream
 
     void empty()
     {
-        loopi(2) 
+        ALint processed;
+        alGetSourcei(sourceid, AL_BUFFERS_PROCESSED, &processed);
+        loopi(processed)
         {
             alSourceUnqueueBuffers(sourceid, 1, &bufferids[i]);
             alerr();