diff --git a/src/mod/endpoints/mod_portaudio/Makefile.am b/src/mod/endpoints/mod_portaudio/Makefile.am
index 56f82daf79..88d8754868 100644
--- a/src/mod/endpoints/mod_portaudio/Makefile.am
+++ b/src/mod/endpoints/mod_portaudio/Makefile.am
@@ -6,8 +6,7 @@ PALA=$(switch_builddir)/libs/portaudio/lib/libportaudio.la
 
 mod_LTLIBRARIES = mod_portaudio.la
 mod_portaudio_la_SOURCES = mod_portaudio.c pablio.c pa_ringbuffer.c
-mod_portaudio_la_CFLAGS  = $(AM_CFLAGS)
-mod_portaudio_la_CFLAGS += -I. -I$(PA_DIR)/include -D__EXTENSION__=1 
+mod_portaudio_la_CFLAGS = -I. -I$(PA_DIR)/include -D__EXTENSION__=1 $(AM_CFLAGS)
 mod_portaudio_la_LIBADD = $(switch_builddir)/libfreeswitch.la $(PALA)
 mod_portaudio_la_LDFLAGS = -avoid-version -module -no-undefined -shared $(PA_LIBS)
 
diff --git a/src/mod/formats/mod_portaudio_stream/Makefile.am b/src/mod/formats/mod_portaudio_stream/Makefile.am
index 9b9900c03a..ae9896a7b0 100644
--- a/src/mod/formats/mod_portaudio_stream/Makefile.am
+++ b/src/mod/formats/mod_portaudio_stream/Makefile.am
@@ -7,8 +7,7 @@ MODPA_DIR=$(switch_srcdir)/src/mod/endpoints/mod_portaudio
 
 mod_LTLIBRARIES = mod_portaudio_stream.la
 mod_portaudio_stream_la_SOURCES = mod_portaudio_stream.c $(MODPA_DIR)/pablio.c $(MODPA_DIR)/pa_ringbuffer.c
-mod_portaudio_stream_la_CFLAGS  = $(AM_CFLAGS)
-mod_portaudio_stream_la_CFLAGS += -I. -I$(PA_DIR)/include -D__EXTENSION__=1 -I$(MODPA_DIR)
+mod_portaudio_stream_la_CFLAGS = -I. -I$(PA_DIR)/include -D__EXTENSION__=1 -I$(MODPA_DIR) $(AM_CFLAGS)
 mod_portaudio_stream_la_LIBADD = $(switch_builddir)/libfreeswitch.la $(PALA)
 mod_portaudio_stream_la_LDFLAGS = -avoid-version -module -no-undefined -shared $(PA_LIBS)