diff --git a/veejay-current/veejay-server/libvje/effects/mixtoalpha.c b/veejay-current/veejay-server/libvje/effects/mixtoalpha.c
index 472d6f19..e9b58361 100644
--- a/veejay-current/veejay-server/libvje/effects/mixtoalpha.c
+++ b/veejay-current/veejay-server/libvje/effects/mixtoalpha.c
@@ -40,6 +40,6 @@ vj_effect *mixtoalpha_init(int w, int h)
 
 void mixtoalpha_apply( VJFrame *frame, VJFrame *frame2, int width,int height)
 {
-	veejay_memcpy(  a, Y, len );
+	veejay_memcpy(frame->data[3], frame2->data[0], frame->len );
 }