--- ext/spandsp/gstspanplc.h.orig	2022-09-16 22:58:32 UTC
+++ ext/spandsp/gstspanplc.h
@@ -22,6 +22,7 @@
 
 #include <gst/gst.h>
 
+#include <spandsp/private/plc.h>
 #include <spandsp.h>
 
 G_BEGIN_DECLS
