diff --git a/user_space/post_config.sh b/user_space/post_config.sh
index 045c09d..0dbca04 100755
--- a/user_space/post_config.sh
+++ b/user_space/post_config.sh
@@ -41,6 +41,8 @@ cp sdrctl ../
 cd ../side_ch_ctl_src/
 gcc -o side_ch_ctl side_ch_ctl.c
 cp side_ch_ctl ../
+cd ../inject_80211/
+make
 cd ..
 
 # install and setup dhcp server