--- third-party/pjproject/Makefile.rules	(Asterisk 13.19)
+++ third-party/pjproject/Makefile.rules	(working copy)
@@ -16,7 +16,7 @@
 PJPROJECT_CONFIG_OPTS = $(PJPROJECT_CONFIGURE_OPTS) --prefix=/opt/pjproject \
 	--disable-speex-codec \
 	--disable-speex-aec \
-	--disable-speex-aec \
+	--disable-bcg729 \
 	--disable-gsm-codec \
 	--disable-ilbc-codec \
 	--disable-l16-codec \