diff --git a/debian/rules b/debian/rules
index 33e9e2f..b154611 100755
--- a/debian/rules
+++ b/debian/rules
@@ -1,14 +1,16 @@
 #!/usr/bin/make -f
+export FS_INCLUDES=/usr/include/freeswitch
 DH_VERBOSE = 1
-export ADD_CFLAGS=-fomit-frame-pointer -fno-exceptions -Wall -std=c99 -pedantic
+export INCLUDES=-I/usr/include -Ibcg729/include -I$(FS_INCLUDES)
+export ADD_CFLAGS=-fPIC -O3 -fomit-frame-pointer -fno-exceptions -Wall -std=c99 -pedantic $(INCLUDES)
 export ADD_LIBS=-lm -lbcg729
 # main packaging script based on dh7 syntax
 %:
-	dh $@ 
+	dh $@
 
 
 .stamp-build:
-	fsxs compile --add-cflags="$(ADD_CFLAGS)" mod_bcg729.c 
+	fsxs compile --add-cflags="$(ADD_CFLAGS)" mod_bcg729.c
 	fsxs link --add-libs="$(ADD_LIBS)" mod_bcg729.so mod_bcg729.o
 
 override_dh_auto_build: .stamp-build
@@ -19,4 +21,3 @@ override_dh_auto_install:
 override_dh_auto_clean:
 	rm -f mod_bcg729.o
 	rm -f mod_bcg729.so
-