diff --git a/libs/freetdm/ozreplace.sh b/libs/freetdm/ozreplace.sh
new file mode 100755
index 0000000000..71f4b13766
--- /dev/null
+++ b/libs/freetdm/ozreplace.sh
@@ -0,0 +1,13 @@
+##### ozmod stuff ####
+# replace full openzap occurences first (handles openzap.h, libopenzap etc)
+sed -i 's,openzap,freetdm,g' $1
+sed -i 's,ozmod,ftmod,g' $1
+
+sed -i 's,zchan,ftdmchan,g' $1
+sed -i 's,oz,ft,g' $1
+sed -i 's,OZ,FT,g' $1
+sed -i 's,zap,ftdm,g' $1
+sed -i 's,ZAP,FTDM,g' $1
+sed -i 's,zio,fio,g' $1
+sed -i 's,ZIO,FIO,g' $1
+