diff --git a/src/output/osx_plugin.c b/src/output/osx_plugin.c
index 7af8be3a2..3a7c009ed 100644
--- a/src/output/osx_plugin.c
+++ b/src/output/osx_plugin.c
@@ -196,7 +196,6 @@ osx_render(void *vdata,
 
 	memcpy((unsigned char*)buffer->mData + curpos, od->buffer + od->pos, bytesToCopy);
 	od->pos += bytesToCopy;
-	curpos += bytesToCopy;
 
 	if (od->pos >= od->bufferSize)
 		od->pos = 0;