diff --git a/README.md b/README.md
index 381db35..1f0ebaf 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,7 @@ How to use:
  - open app
  - run "apt update; apt install git"
  - run "git clone https://github.com/ravenschade/borgbackup_on_android.git"
+ - set selinux to permissive (/system/bin/setenforce 1, otherwise virtualenv for python will not work properly)
  - run "cd borgbackup_on_android; bash build.sh"
 
 Tested with: