diff --git a/src/mod/codecs/mod_siren/Makefile b/src/mod/codecs/mod_siren/Makefile
index bb044a449d..5d1e5de77d 100644
--- a/src/mod/codecs/mod_siren/Makefile
+++ b/src/mod/codecs/mod_siren/Makefile
@@ -1,7 +1,7 @@
 BASE=../../../..
 G722_1_DIR=$(switch_srcdir)/libs/libg722_1
 G722_1_BUILDDIR=$(switch_builddir)/libs/libg722_1
-LOCAL_CFLAGS=-I$(G722_1_DIR)/src 
+LOCAL_CFLAGS=-I$(G722_1_DIR)/src  -I$(G722_1_BUILDDIR)/src
 G722_1_LA=$(G722_1_BUILDDIR)/src/.libs/libg722_1.la
 LOCAL_LIBADD=$(G722_1_LA)
 include $(BASE)/build/modmake.rules
diff --git a/src/mod/formats/mod_sndfile/Makefile b/src/mod/formats/mod_sndfile/Makefile
index 343b20a00a..1f27f2aeaf 100644
--- a/src/mod/formats/mod_sndfile/Makefile
+++ b/src/mod/formats/mod_sndfile/Makefile
@@ -4,7 +4,7 @@ SNDFILE_DIR=$(switch_srcdir)/libs/libsndfile
 SNDFILE_BUILDDIR=$(switch_builddir)/libs/libsndfile
 SNDFILELA=$(SNDFILE_BUILDDIR)/src/libsndfile.la
 
-LOCAL_CFLAGS=-I$(SNDFILE_DIR)/src
+LOCAL_CFLAGS=-I$(SNDFILE_DIR)/src -I$(SNDFILE_BUILDDIR)/src
 LOCAL_LIBADD=$(SNDFILELA)
 
 include $(BASE)/build/modmake.rules